Document:

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                                                                     EXHIBIT 4.8

                          TRADEMARK SECURITY AGREEMENT

                  THIS TRADEMARK SECURITY AGREEMENT ("Agreement") is made as of
December 11, 2000, by and between PINNACLE PRODUCTS, INC., a Wisconsin
corporation ("Grantor"), and ABN AMRO BANK N.V., as contractual representative
(the "Administrative Agent") for its benefit and the benefit of the "Holders of
Secured Obligations" (as such term is defined in the "Credit Agreement" defined
below).

                                   WITNESSETH:

                  WHEREAS, Sybron Dental Management, Inc., the Subsidiary Swing
Line Borrowers from time to time party thereto, Kerr Corporation and Ormco
Corporation, as the "Borrowers", Sybron Dental Specialties, Inc., as the
"Parent", the institutions from time to time party thereto as "Lenders", the
Administrative Agent, The Chase Manhattan Bank, as "Syndication Agent and First
Union National Bank, as "Documentation Agent" are parties to that certain Credit
Agreement dated as of November 28, 2000 (as the same may hereafter be modified,
amended, restated or supplemented from time to time, the "Credit Agreement"),
pursuant to which the Lenders may, from time to time, extend credit to
Borrowers; and

                  WHEREAS, Grantor and the Administrative Agent are parties to
that certain Security Agreement dated as of December 11, 2000 (as the same may
hereafter be modified, amended, restated or supplemented from time to time, the
"Security Agreement"), pursuant to which Grantor has granted a security interest
in certain of its assets to the Administrative Agent for the benefit of the
Administrative Agent and the Holders of Secured Obligations; and

                  WHEREAS, the Lenders have required Grantor to execute and
deliver this Agreement (i) in order to secure the prompt and complete payment,
observance and performance of all of the "Secured Obligations" (as defined in
the Credit Agreement) and (ii) as a condition precedent to any extension of
credit to the Borrowers under the Credit Agreement;

                  NOW, THEREFORE, in consideration of the premises set forth
herein and for other good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged, Grantor agrees as follows:

         SECTION 1. Defined Terms.

         (a) Unless otherwise defined herein, each capitalized term used herein
that is defined in the Credit Agreement shall have the meaning specified for
such term in the Credit Agreement. Unless otherwise defined herein or in the
Credit Agreement, each capitalized term used herein that is defined in the
Security Agreement shall have the meaning specified for such term in the
Security Agreement.

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         (b) The words "hereof," "herein" and "hereunder" and words of like
import when used in this Agreement shall refer to this Agreement as a whole and
not to any particular provision of this Agreement, and section references are to
this Agreement unless otherwise specified.

         (c) All terms defined in this Agreement in the singular shall have
comparable meanings when used in the plural, and vice versa, unless otherwise
specified.

         SECTION 2. Incorporation of Premises. The premises set forth above are
incorporated into this Agreement by this reference thereto and are made a part
hereof.

         SECTION 3. Incorporation of the Credit Agreement. The Credit Agreement
and the terms and provisions thereof are hereby incorporated herein in their
entirety by this reference thereto.

         SECTION 4. Security Interest in Trademarks. To secure the complete and
timely payment, performance and satisfaction of all of the Secured Obligations,
Grantor hereby grants to the Administrative Agent, for the benefit of the
Holders of Secured Obligations, a security interest in, as and by way of a first
mortgage and security interest having priority over all other security interests
(other than Permitted Existing Liens), with power of sale to the extent
permitted by applicable law, all of Grantor's now owned or existing and
hereafter acquired or arising:

         (a) domestic trademarks, registered trademarks, trademark applications,
service marks, registered service marks and service mark applications,
including, without limitation, the trademarks, registered trademarks, trademark
applications, service marks, registered service marks and service mark
applications listed on Schedule A attached hereto and made a part hereof, and
(i) all renewals thereof, (ii) all income, royalties, damages and payments now
and hereafter due and/or payable under and with respect thereto, including,
without limitation, payments under all licenses entered into in connection
therewith and damages and payments for past or future infringements or dilutions
thereof, (iii) the right to sue for past, present and future infringements and
dilutions thereof, (iv) the goodwill of Grantor's business symbolized by the
foregoing and connected therewith, and (v) all of Grantor's rights corresponding
thereto throughout the world (all of the foregoing trademarks, registered
trademarks and trademark applications, and service marks, registered service
marks and service mark applications, together with the items described in
clauses (i)-(v) in this Section 4(a), are sometimes hereinafter individually
and/or collectively referred to as the "Trademarks"); and

         (b) rights under or interest in any trademark license agreements or
service mark license agreements with any other party, whether Grantor is a
licensee or licensor under any such license agreement, including, without
limitation, those trademark license agreements and service mark license
agreements listed on Schedule B attached hereto and made a part hereof, together
with any goodwill connected with and symbolized by any such trademark license
agreements or service mark license agreements, and the right to prepare for sale
and sell any and all Inventory now or hereafter owned by Grantor and now or
hereafter covered by such licenses (all of the foregoing are hereinafter
referred to collectively as the "Licenses").

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         SECTION 5. Restrictions on Future Agreements. Grantor will not, after
the date hereof, without the Administrative Agent's prior written consent, enter
into any agreement, including, without limitation, any license agreement, which
is inconsistent with this Agreement, and Grantor further agrees that it will not
take any action, and will use its reasonable commercial efforts not to permit
any action to be taken by others, including, without limitation, licensees, or
fail to take any action, which would in any respect affect the validity or
enforcement of the rights transferred to the Administrative Agent under this
Agreement or the rights associated with the Trademarks or Licenses.

         SECTION 6. New Trademarks and Licenses. Grantor represents and warrants
that, from and after the Closing Date, (a) the Trademarks listed on Schedule A
include all of the domestic trademarks, registered trademarks, trademark
applications, service marks, registered service marks and service mark
applications now owned or held by Grantor, (b) the Licenses listed on Schedule B
include all of the trademark license agreements and service mark license
agreements under which Grantor is the licensee or licensor and (c) no liens,
claims or security interests in such Trademarks and Licenses have been granted
by Grantor to any Person other than the Administrative Agent or to holders of
Permitted Existing Liens. If, prior to the termination of this Agreement,
Grantor shall (i) obtain rights to any new domestic trademarks, registered
trademarks, trademark applications, service marks, registered service marks or
service mark applications, (ii) become entitled to the benefit of any domestic
trademarks, registered trademarks, trademark applications, trademark licenses,
trademark license renewals, service marks, registered service marks, service
mark applications, service mark licenses or service mark license renewals
whether as licensee or licensor, or (iii) enter into any new trademark license
agreement or service mark license agreement, the provisions of Section 4 above
shall automatically apply thereto. Grantor shall give to the Administrative
Agent written notice of events described in clauses (i), (ii) and (iii) of the
preceding sentence promptly after the occurrence thereof, but in any event not
less frequently than on a quarterly basis. Grantor hereby authorizes the
Administrative Agent to modify this Agreement unilaterally (i) by amending
Schedule A to include any future domestic trademarks, registered trademarks,
trademark applications, service marks, registered service marks and service mark
applications and by amending Schedule B to include any future trademark license
agreements and service mark license agreements, which are Trademarks or Licenses
under Section 4 above or under this Section 6, and (ii) by filing, in addition
to and not in substitution for this Agreement, a duplicate original of this
Agreement containing on Schedule A or B thereto, as the case may be, such future
trademarks, registered trademarks, trademark applications, service marks,
registered service marks and service mark applications, and trademark license
agreements and service mark license agreements.

         SECTION 7. Royalties. Grantor hereby agrees that the use by the
Administrative Agent of the Trademarks and Licenses as authorized hereunder in
connection with the Administrative Agent's exercise of its rights and remedies
under Section 15 or pursuant to Section 17 of the Security Agreement shall be
coextensive with Grantor's rights thereunder and with respect thereto and

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without any liability for royalties or other related charges from the
Administrative Agent or the other Holders of Secured Obligations to Grantor.

         SECTION 8. Right to Inspect; Further Assignments and Security
Interests. The Administrative Agent may at all reasonable times (and at any time
when an Unmatured Default or Default exists) have access to, examine, audit,
make copies (at Grantor's expense) and extracts from and inspect Grantor's
premises and examine Grantor's books, records and operations relating to the
Trademarks and Licenses; provided, that in conducting such inspections and
examinations, the Administrative Agent shall use reasonable efforts not to
disturb unnecessarily the conduct of Grantor's ordinary business operations.
From and during the continuance of a Default, Grantor agrees that the
Administrative Agent, or a conservator appointed by the Administrative Agent,
shall have the right to establish such reasonable additional product quality
controls as the Administrative Agent or such conservator, in its sole and
absolute judgment, may deem necessary to assure maintenance of the quality of
products sold by Grantor under the Trademarks and the Licenses or in connection
with which such Trademarks and Licenses are used. Grantor agrees (i) not to sell
or assign its respective interests in, or grant any license under, the
Trademarks or the Licenses without the prior and express written consent of the
Administrative Agent (which consent, prior to the occurrence and continuance of
a Default, shall not be unreasonably withheld), (ii) to maintain the quality of
such products as of the date hereof, and (iii) not to reduce the quality of such
products in any material respect without the Administrative Agent's prior and
express written consent.

         SECTION 9. Nature and Continuation of the Administrative Agent's
Security Interest; Termination of the Administrative Agent's Security Interest.
This Agreement is made for collateral security purposes only. This Agreement
shall create a continuing security interest in the Trademarks and Licenses and
shall terminate only when the Secured Obligations have been paid in full in cash
and the Credit Agreement and the Security Agreement have been terminated. When
this Agreement has terminated, the Administrative Agent shall promptly execute
and deliver to Grantor, at Grantor's expense, all termination statements and
other instruments as may be necessary or proper to terminate the Administrative
Agent's security interest in the Trademarks and the Licenses, subject to any
disposition thereof which may have been made by the Administrative Agent
pursuant to this Agreement or the Security Agreement.

         SECTION 10. Duties of Grantor. Grantor shall have the duty, to the
extent desirable in the normal conduct of Grantor's business and consistent with
the exercise of its reasonable business judgment, to: (i) prosecute diligently
any trademark application or service mark application that is part of the
Trademarks pending as of the date hereof or hereafter until the termination of
this Agreement, and (ii) make application for trademarks or service marks.
Grantor further agrees (i) not to abandon any Trademark or License unless the
Grantor reasonably determines that it is in its best interests to do so and such
abandonment will not materially impair Grantor's ability to maintain its
business in the ordinary course, and (ii) to use its reasonable commercial
efforts to maintain in full force and effect the Trademarks and the Licenses
that are or shall be necessary or economically desirable in the operation of
Grantor's business. Any expenses incurred in

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connection with the foregoing shall be borne by Grantor. Neither the
Administrative Agent nor any of the Holders of Secured Obligations shall have
any duty with respect to the Trademarks and Licenses. Without limiting the
generality of the foregoing, neither the Administrative Agent nor any of the
Holders of Secured Obligations shall be under any obligation to take any steps
necessary to preserve rights in the Trademarks or Licenses against any other
parties, but the Administrative Agent may do so at its option from and after the
occurrence of a Default, and all expenses incurred in connection therewith shall
be for the sole account of Grantor and shall be added to the Secured Obligations
secured hereby.

         SECTION 11. The Administrative Agent's Right to Sue. From and after the
occurrence of a Default, the Administrative Agent shall have the right, but
shall not be obligated, to bring suit in its own name to enforce the Trademarks
and the Licenses and, if the Administrative Agent shall commence any such suit,
Grantor shall, at the request of the Administrative Agent, do any and all lawful
acts and execute any and all proper documents required by the Administrative
Agent in aid of such enforcement. Grantor shall, upon demand, promptly reimburse
the Administrative Agent for all costs and expenses incurred by the
Administrative Agent in the exercise of its rights under this Section 11
(including, without limitation, reasonable fees and expenses of attorneys and
paralegals for the Administrative Agent).

         SECTION 12. Waivers. The Administrative Agent's failure, at any time or
times hereafter, to require strict performance by Grantor of any provision of
this Agreement shall not waive, affect or diminish any right of the
Administrative Agent thereafter to demand strict compliance and performance
therewith nor shall any course of dealing between Grantor and the Administrative
Agent have such effect. No single or partial exercise of any right hereunder
shall preclude any other or further exercise thereof or the exercise of any
other right. None of the undertakings, agreements, warranties, covenants and
representations of Grantor contained in this Agreement shall be deemed to have
been suspended or waived by the Administrative Agent unless such suspension or
waiver is in writing signed by an officer of the Administrative Agent and
directed to Grantor specifying such suspension or waiver.

         SECTION 13. Severability. Whenever possible, each provision of this
Agreement shall be interpreted in such manner as to be effective and valid under
applicable law, but the provisions of this Agreement are severable, and if any
clause or provision shall be held invalid and unenforceable in whole or in part
in any jurisdiction, then such invalidity or unenforceability shall affect only
such clause or provision, or part hereof, in such jurisdiction, and shall not in
any manner affect such clause or provision in any other jurisdiction, or any
other clause or provision of this Agreement in any jurisdiction.

         SECTION 14. Modification. This Agreement cannot be altered, amended or
modified in any way, except as specifically provided in Section 6 hereof or by a
writing signed by the parties hereto.

         SECTION 15. Cumulative Remedies; Power of Attorney. Grantor hereby
irrevocably designates, constitutes and appoints the Administrative Agent (and
all Persons designated by the

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Administrative Agent in its sole and absolute discretion) as Grantor's true and
lawful attorney-in-fact, and authorizes the Administrative Agent and any of the
Administrative Agent's designees, in Grantor's or the Administrative Agent's
name, to take any action and execute any instrument which the Administrative
Agent may deem necessary or advisable to accomplish the purposes of this
Agreement, including, without limitation, from and during the continuance of a
Default and the giving by the Administrative Agent of notice to Grantor of the
Administrative Agent's intention to enforce its rights and claims against
Grantor, to (i) endorse Grantor's name on all applications, documents, papers
and instruments necessary or desirable for the Administrative Agent in the use
of the Trademarks or the Licenses, (ii) assign, pledge, convey or otherwise
transfer title in or dispose of the Trademarks or the Licenses to anyone on
commercially reasonable terms, (iii) grant or issue any exclusive or
nonexclusive license under the Trademarks or, to the extent permitted, under the
Licenses, to anyone on commercially reasonable terms, and (iv) take any other
actions with respect to the Trademarks or the Licenses as the Administrative
Agent deems in its own or the Holders of Secured Obligations' best interest.
Grantor hereby ratifies all that such attorney shall lawfully do or cause to be
done by virtue hereof. This power of attorney is coupled with an interest and
shall be irrevocable until all of the Obligations shall have been paid in full
in cash and the Credit Agreement shall have been terminated. Grantor
acknowledges and agrees that this Agreement is not intended to limit or restrict
in any way the rights and remedies of the Administrative Agent or the other
Holders of Secured Obligations under the Security Agreement, but rather is
intended to facilitate the exercise of such rights and remedies.

                  The Administrative Agent shall have, in addition to all other
rights and remedies given it by the terms of this Agreement, all rights and
remedies allowed by law and the rights and remedies of a secured party under the
Uniform Commercial Code as enacted in any jurisdiction in which the Trademarks
or the Licenses may be located or deemed located. Upon the occurrence and during
the continuance of a Default and the election by the Administrative Agent to
exercise any of its remedies under Section 9-504 or Section 9-505 of the Uniform
Commercial Code with respect to the Trademarks and Licenses, Grantor agrees to
assign, convey and otherwise transfer title in and to the Trademarks and the
Licenses to the Administrative Agent or any transferee of the Administrative
Agent and to execute and deliver to the Administrative Agent or any such
transferee all such agreements, documents and instruments as may be necessary,
in the Administrative Agent's sole discretion, to effect such assignment,
conveyance and transfer. All of the Administrative Agent's rights and remedies
with respect to the Trademarks and the Licenses, whether established hereby, by
the Security Agreement, by any other agreements or by law, shall be cumulative
and may be exercised separately or concurrently. Notwithstanding anything set
forth herein to the contrary, it is hereby expressly agreed that upon the
occurrence and during the continuance of a Default, the Administrative Agent may
exercise any of the rights and remedies provided in this Agreement, the Security
Agreement and any of the other Loan Documents. Grantor agrees that any
notification of intended disposition of any of the Trademarks and Licenses
required by law shall be deemed reasonably and properly given if given at least
ten (10) days before such disposition.

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         SECTION 16. Successors and Assigns. This Agreement shall be binding
upon Grantor and its successors and assigns, and shall inure to the benefit of
each of the Holders of Secured Obligations and its nominees, successors and
assigns. Grantor's successors and assigns shall include, without limitation, a
receiver, trustee or debtor-in-possession of or for Grantor; provided, however,
that Grantor shall not voluntarily assign or transfer its rights or obligations
hereunder without the Administrative Agent's prior written consent.

         SECTION 17. GOVERNING LAW. THIS AGREEMENT SHALL BE GOVERNED BY AND
CONSTRUED IN ACCORDANCE WITH THE INTERNAL LAWS (INCLUDING, WITHOUT LIMITATION
735 ILCS SECTION 105/5-1 ET SEQ., BUT OTHERWISE WITHOUT REGARD TO THE CONFLICT
OF LAWS PROVISIONS) OF THE STATE OF ILLINOIS, BUT GIVING EFFECT TO FEDERAL LAWS
APPLICABLE TO NATIONAL BANKS. ANY DISPUTE BETWEEN THE PLEDGOR AND THE
ADMINISTRATIVE AGENT OR ANY LENDER, OR ANY OTHER HOLDER OF SECURED OBLIGATIONS
ARISING OUT OF, CONNECTED WITH, RELATED TO, OR INCIDENTAL TO THE RELATIONSHIP
ESTABLISHED BETWEEN THEM IN CONNECTION WITH, THIS AGREEMENT, AND WHETHER ARISING
IN CONTRACT, TORT, EQUITY, OR OTHERWISE, SHALL BE RESOLVED IN ACCORDANCE WITH
THE INTERNAL LAWS (INCLUDING, WITHOUT LIMITATION, 735 ILCS SECTION 105/5-1 ET
SEQ., BUT OTHERWISE WITHOUT REGARD TO THE CONFLICTS OF LAWS PROVISIONS) OF THE
STATE OF ILLINOIS, BUT GIVING EFFECT TO FEDERAL LAWS APPLICABLE TO NATIONAL
BANKS.

         SECTION 18. CONSENT TO JURISDICTION; SERVICE OF PROCESS; JURY TRIAL.

         (a) EXCLUSIVE JURISDICTION. EXCEPT AS PROVIDED IN SUBSECTION (b), EACH
OF THE PARTIES HERETO AGREES THAT ALL DISPUTES AMONG THEM ARISING OUT OF,
CONNECTED WITH, RELATED TO, OR INCIDENTAL TO THE RELATIONSHIP ESTABLISHED AMONG
THEM IN CONNECTION WITH, THIS AGREEMENT OR ANY OF THE OTHER LOAN DOCUMENTS
WHETHER ARISING IN CONTRACT, TORT, EQUITY, OR OTHERWISE, SHALL BE RESOLVED
EXCLUSIVELY BY STATE OR FEDERAL COURTS LOCATED IN CHICAGO, ILLINOIS, BUT THE
PARTIES HERETO ACKNOWLEDGE THAT ANY APPEALS FROM THOSE COURTS MAY HAVE TO BE
HEARD BY A COURT LOCATED OUTSIDE OF CHICAGO, ILLINOIS. EACH OF THE PARTIES
HERETO WAIVES IN ALL DISPUTES BROUGHT PURSUANT TO THIS SUBSECTION (a) ANY
OBJECTION THAT IT MAY HAVE TO THE LOCATION OF THE COURT CONSIDERING THE DISPUTE.

         (b) OTHER JURISDICTIONS. THE GRANTOR AGREES THAT THE ADMINISTRATIVE
AGENT, ANY LENDER OR ANY OTHER HOLDER OF SECURED OBLIGATIONS SHALL HAVE THE
RIGHT TO PROCEED AGAINST THE GRANTOR OR ITS RESPECTIVE PROPERTY IN A COURT IN
ANY LOCATION TO ENABLE SUCH PERSON TO (1) OBTAIN PERSONAL JURISDICTION OVER SUCH
GRANTOR OR (2) REALIZE ON THE COLLATERAL GRANTED IN CONNECTION HEREWITH, OR (3)
IN

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ORDER TO ENFORCE A JUDGMENT OR OTHER COURT ORDER ENTERED IN FAVOR OF SUCH
PERSON. THE GRANTOR AGREES THAT IT WILL NOT ASSERT ANY PERMISSIVE COUNTERCLAIMS
IN ANY PROCEEDING BROUGHT BY SUCH PERSON IN A LOCATION OUTSIDE OF ILLINOIS TO
REALIZE ON ANY SECURITY FOR THE OBLIGATIONS OR TO ENFORCE A JUDGMENT OR OTHER
COURT ORDER IN FAVOR OF SUCH PERSON; PROVIDED THAT THE GRANTOR'S RIGHT TO ASSERT
PERMISSIVE COUNTERCLAIMS IN STATE OR FEDERAL COURTS LOCATED IN CHICAGO, ILLINOIS
SHALL BE PRESERVED. THE GRANTOR WAIVES ANY OBJECTION THAT IT MAY HAVE TO THE
LOCATION OF THE COURT IN WHICH SUCH PERSON HAS COMMENCED A PROCEEDING DESCRIBED
IN THIS SUBSECTION (b).

         (c) VENUE. EACH OF THE LENDERS AND THE GRANTOR IRREVOCABLY WAIVES ANY
OBJECTION (INCLUDING, WITHOUT LIMITATION, ANY OBJECTION OF THE LAYING OF VENUE
OR BASED ON THE GROUNDS OF FORUM NON CONVENIENS) WHICH IT MAY NOW OR HEREAFTER
HAVE TO THE BRINGING OF ANY SUCH ACTION OR PROCEEDING WITH RESPECT TO THIS
AGREEMENT OR ANY OTHER INSTRUMENT, DOCUMENT OR AGREEMENT EXECUTED OR DELIVERED
IN CONNECTION HEREWITH IN ANY JURISDICTION SET FORTH ABOVE.

         (d) THE GRANTOR WAIVES PERSONAL SERVICE OF ANY PROCESS UPON IT AND
IRREVOCABLY APPOINTS CT CORPORATION, WITH OFFICES AT 208 SOUTH LASALLE STREET,
CHICAGO, ILLINOIS 60604, AS THE GRANTOR'S AGENT FOR THE PURPOSE OF ACCEPTING
SERVICE OF PROCESS ISSUED BY ANY COURT. NOTHING HEREIN SHALL IN ANY WAY BE
DEEMED TO LIMIT THE ABILITY OF THE ADMINISTRATIVE AGENT OR ANY LENDER TO SERVE
ANY SUCH WRITS, PROCESS OR SUMMONSES IN ANY OTHER MANNER PERMITTED BY APPLICABLE
LAW.

         (e) WAIVER OF JURY TRIAL. EACH OF THE PARTIES HERETO IRREVOCABLY WAIVES
ANY RIGHT TO HAVE A JURY PARTICIPATE IN RESOLVING ANY DISPUTE, WHETHER SOUNDING
IN CONTRACT, TORT, OR OTHERWISE, ARISING OUT OF, CONNECTED WITH, RELATED TO OR
INCIDENTAL TO THE RELATIONSHIP ESTABLISHED AMONG THEM IN CONNECTION WITH THIS
AGREEMENT OR ANY OTHER INSTRUMENT, DOCUMENT OR AGREEMENT EXECUTED OR DELIVERED
IN CONNECTION HEREWITH. EACH OF THE PARTIES HERETO AGREES AND CONSENTS THAT ANY
SUCH CLAIM, DEMAND, ACTION OR CAUSE OF ACTION SHALL BE DECIDED BY COURT TRIAL
WITHOUT A JURY AND THAT ANY PARTY HERETO MAY FILE AN ORIGINAL COUNTERPART OR A
COPY OF THIS AGREEMENT WITH ANY COURT AS WRITTEN EVIDENCE OF THE CONSENT OF THE
PARTIES HERETO TO THE WAIVER OF THEIR RIGHT TO TRIAL BY JURY.

         (f) WAIVER OF BOND. THE GRANTOR WAIVES THE POSTING OF ANY BOND
OTHERWISE REQUIRED OF ANY PARTY HERETO IN CONNECTION WITH ANY JUDICIAL PROCESS
OR PROCEEDING TO REALIZE ON THE COLLATERAL, ENFORCE

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ANY JUDGMENT OR OTHER COURT ORDER ENTERED IN FAVOR OF SUCH PARTY, OR TO ENFORCE
BY SPECIFIC PERFORMANCE, TEMPORARY RESTRAINING ORDER, PRELIMINARY OR PERMANENT
INJUNCTION, THIS AGREEMENT OR ANY OTHER LOAN DOCUMENT.

         (g) ADVICE OF COUNSEL. EACH OF THE PARTIES REPRESENTS TO EACH OTHER
PARTY HERETO THAT IT HAS DISCUSSED THIS AGREEMENT AND, SPECIFICALLY, THE
PROVISIONS OF THIS SECTION 18, WITH ITS COUNSEL.

         SECTION 19. Notices. All notices or other communications hereunder
shall be given in the manner and to the address of the Parent Borrowers, in the
case of the Grantor, and to the address of the Administrative Agent, in each
case, as set forth in the Credit Agreement.

         SECTION 20. Section Titles. The section titles herein are for
convenience of reference only, and shall not affect in any way the
interpretation of any of the provisions hereof.

         SECTION 21. Execution in Counterparts. This Agreement may be executed
in any number of counterparts and by different parties hereto in separate
counterparts, each of which when so executed shall be deemed to be an original
and all of which taken together shall constitute one and the same agreement.

         SECTION 22. Merger. This Agreement represents the final agreement of
the Grantor and the Administrative Agent with respect to the matters contained
herein and may not be contradicted by evidence of prior or contemporaneous
agreements, or subsequent oral agreements, between the Grantor and the
Administrative Agent or any Holder of Secured Obligations

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                  IN WITNESS WHEREOF, the parties hereto have duly executed this
Agreement as of the day and year first above written.

                                              PINNACLE PRODUCTS, INC.

                                              By:
                                                 -------------------------------
                                              Name:  Stephen J. Tomassi
                                              Title: Authorized Representative

ATTEST:

By:
   -----------------------------
   Title:

                                              Accepted and agreed to as of the
                                              day and year first above written.

                                              ABN AMRO BANK N.V., as
                                              Administrative Agent

                                              By:
                                                 ------------------------------
                                              Name:
                                              Title:

                                              By:
                                                 ------------------------------
                                              Name:
                                              Title:

<PAGE>   11

                                   SCHEDULE A
                                       to
                          Trademark Security Agreement
                          Dated as of December 11, 2000

                                  See attached

<PAGE>   12

                                   SCHEDULE B
                                       to
                          Trademark Security Agreement
                          Dated as of December 11, 2000

                                  See attached

<PAGE>   13

STATE OF ILLINOIS )
                  )  SS
COUNTY OF COOK    )

                  The foregoing Trademark Security Agreement was acknowledged
before me this 7th day of December, 2000, by Stephen J. Tomassi, an Authorized
Representative of Pinnacle Products, Inc., a Wisconsin corporation, on behalf of
such corporation.

                                                -------------------------------
                                                Notary Public
                                                Cook County, Illinois
                                                My commission expires: 12/15/02

<PAGE>   14

STATE OF ILLINOIS )
                  )  SS
COUNTY OF COOK    )

                  The foregoing Trademark Security Agreement was acknowledged
before me this ____ day of December, 2000, by _________________________, a
_________________________ and ________________________________, a
____________________________of ABN AMRO Bank N.V., on behalf of such
institution.

                                                   -----------------------------
                                                   Notary Public
                                                   Cook County, Illinois
                                                   My commission expires:_______
<PAGE>   15

                          TRADEMARK SECURITY AGREEMENT

                  THIS TRADEMARK SECURITY AGREEMENT ("Agreement") is made as of
December 11, 2000, by and between KERR CORPORATION, a Delaware corporation
("Grantor"), and ABN AMRO BANK N.V., as contractual representative (the
"Administrative Agent") for its benefit and the benefit of the "Holders of
Secured Obligations" (as such term is defined in the "Credit Agreement" defined
below).

                                   WITNESSETH:

                  WHEREAS, Sybron Dental Management, Inc., the Subsidiary Swing
Line Borrowers from time to time party thereto, Kerr Corporation and Ormco
Corporation, as the "Borrowers", Sybron Dental Specialties, Inc., as the
"Parent", the institutions from time to time party thereto as "Lenders", the
Administrative Agent, The Chase Manhattan Bank, as "Syndication Agent and First
Union National Bank, as "Documentation Agent" are parties to that certain Credit
Agreement dated as of November 28, 2000 (as the same may hereafter be modified,
amended, restated or supplemented from time to time, the "Credit Agreement"),
pursuant to which the Lenders may, from time to time, extend credit to
Borrowers; and

                  WHEREAS, Grantor and the Administrative Agent are parties to
that certain Security Agreement dated as of December 11, 2000 (as the same may
hereafter be modified, amended, restated or supplemented from time to time, the
"Security Agreement"), pursuant to which Grantor has granted a security interest
in certain of its assets to the Administrative Agent for the benefit of the
Administrative Agent and the Holders of Secured Obligations; and

                  WHEREAS, the Lenders have required Grantor to execute and
deliver this Agreement (i) in order to secure the prompt and complete payment,
observance and performance of all of the "Secured Obligations" (as defined in
the Credit Agreement) and (ii) as a condition precedent to any extension of
credit to the Borrowers under the Credit Agreement;

                  NOW, THEREFORE, in consideration of the premises set forth
herein and for other good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged, Grantor agrees as follows:

         SECTION 1. Defined Terms.

         (a) Unless otherwise defined herein, each capitalized term used herein
that is defined in the Credit Agreement shall have the meaning specified for
such term in the Credit Agreement. Unless otherwise defined herein or in the
Credit Agreement, each capitalized term used herein that is defined in the
Security Agreement shall have the meaning specified for such term in the
Security Agreement.

SIDLEY & AUSTIN
2081398

<PAGE>   16

         (b) The words "hereof," "herein" and "hereunder" and words of like
import when used in this Agreement shall refer to this Agreement as a whole and
not to any particular provision of this Agreement, and section references are to
this Agreement unless otherwise specified.

         (c) All terms defined in this Agreement in the singular shall have
comparable meanings when used in the plural, and vice versa, unless otherwise
specified.

         SECTION 2. Incorporation of Premises. The premises set forth above are
incorporated into this Agreement by this reference thereto and are made a part
hereof.

         SECTION 3. Incorporation of the Credit Agreement. The Credit Agreement
and the terms and provisions thereof are hereby incorporated herein in their
entirety by this reference thereto.

         SECTION 4. Security Interest in Trademarks. To secure the complete and
timely payment, performance and satisfaction of all of the Secured Obligations,
Grantor hereby grants to the Administrative Agent, for the benefit of the
Holders of Secured Obligations, a security interest in, as and by way of a first
mortgage and security interest having priority over all other security interests
(other than Permitted Existing Liens), with power of sale to the extent
permitted by applicable law, all of Grantor's now owned or existing and
hereafter acquired or arising:

         (a) domestic trademarks, registered trademarks, trademark applications,
service marks, registered service marks and service mark applications,
including, without limitation, the trademarks, registered trademarks, trademark
applications, service marks, registered service marks and service mark
applications listed on Schedule A attached hereto and made a part hereof, and
(i) all renewals thereof, (ii) all income, royalties, damages and payments now
and hereafter due and/or payable under and with respect thereto, including,
without limitation, payments under all licenses entered into in connection
therewith and damages and payments for past or future infringements or dilutions
thereof, (iii) the right to sue for past, present and future infringements and
dilutions thereof, (iv) the goodwill of Grantor's business symbolized by the
foregoing and connected therewith, and (v) all of Grantor's rights corresponding
thereto throughout the world (all of the foregoing trademarks, registered
trademarks and trademark applications, and service marks, registered service
marks and service mark applications, together with the items described in
clauses (i)-(v) in this Section 4(a), are sometimes hereinafter individually
and/or collectively referred to as the "Trademarks"); and

         (b) rights under or interest in any trademark license agreements or
service mark license agreements with any other party, whether Grantor is a
licensee or licensor under any such license agreement, including, without
limitation, those trademark license agreements and service mark license
agreements listed on Schedule B attached hereto and made a part hereof, together
with any goodwill connected with and symbolized by any such trademark license
agreements or service mark license agreements, and the right to prepare for sale
and sell any and all Inventory now or hereafter owned by Grantor and now or
hereafter covered by such licenses (all of the foregoing are hereinafter
referred to collectively as the "Licenses").

                                       2
<PAGE>   17

         SECTION 5. Restrictions on Future Agreements. Grantor will not, after
the date hereof, without the Administrative Agent's prior written consent, enter
into any agreement, including, without limitation, any license agreement, which
is inconsistent with this Agreement, and Grantor further agrees that it will not
take any action, and will use its reasonable commercial efforts not to permit
any action to be taken by others, including, without limitation, licensees, or
fail to take any action, which would in any respect affect the validity or
enforcement of the rights transferred to the Administrative Agent under this
Agreement or the rights associated with the Trademarks or Licenses.

         SECTION 6. New Trademarks and Licenses. Grantor represents and warrants
that, from and after the Closing Date, (a) the Trademarks listed on Schedule A
include all of the domestic trademarks, registered trademarks, trademark
applications, service marks, registered service marks and service mark
applications now owned or held by Grantor, (b) the Licenses listed on Schedule B
include all of the trademark license agreements and service mark license
agreements under which Grantor is the licensee or licensor and (c) no liens,
claims or security interests in such Trademarks and Licenses have been granted
by Grantor to any Person other than the Administrative Agent or to holders of
Permitted Existing Liens. If, prior to the termination of this Agreement,
Grantor shall (i) obtain rights to any new domestic trademarks, registered
trademarks, trademark applications, service marks, registered service marks or
service mark applications, (ii) become entitled to the benefit of any domestic
trademarks, registered trademarks, trademark applications, trademark licenses,
trademark license renewals, service marks, registered service marks, service
mark applications, service mark licenses or service mark license renewals
whether as licensee or licensor, or (iii) enter into any new trademark license
agreement or service mark license agreement, the provisions of Section 4 above
shall automatically apply thereto. Grantor shall give to the Administrative
Agent written notice of events described in clauses (i), (ii) and (iii) of the
preceding sentence promptly after the occurrence thereof, but in any event not
less frequently than on a quarterly basis. Grantor hereby authorizes the
Administrative Agent to modify this Agreement unilaterally (i) by amending
Schedule A to include any future domestic trademarks, registered trademarks,
trademark applications, service marks, registered service marks and service mark
applications and by amending Schedule B to include any future trademark license
agreements and service mark license agreements, which are Trademarks or Licenses
under Section 4 above or under this Section 6, and (ii) by filing, in addition
to and not in substitution for this Agreement, a duplicate original of this
Agreement containing on Schedule A or B thereto, as the case may be, such future
trademarks, registered trademarks, trademark applications, service marks,
registered service marks and service mark applications, and trademark license
agreements and service mark license agreements.

         SECTION 7. Royalties. Grantor hereby agrees that the use by the
Administrative Agent of the Trademarks and Licenses as authorized hereunder in
connection with the Administrative Agent's exercise of its rights and remedies
under Section 15 or pursuant to Section 17 of the Security Agreement shall be
coextensive with Grantor's rights thereunder and with respect thereto and
without any liability for royalties or other related charges from the
Administrative Agent or the other Holders of Secured Obligations to Grantor.

                                       3
<PAGE>   18

         SECTION 8. Right to Inspect; Further Assignments and Security
Interests. The Administrative Agent may at all reasonable times (and at any time
when an Unmatured Default or Default exists) have access to, examine, audit,
make copies (at Grantor's expense) and extracts from and inspect Grantor's
premises and examine Grantor's books, records and operations relating to the
Trademarks and Licenses; provided, that in conducting such inspections and
examinations, the Administrative Agent shall use reasonable efforts not to
disturb unnecessarily the conduct of Grantor's ordinary business operations.
From and during the continuance of a Default, Grantor agrees that the
Administrative Agent, or a conservator appointed by the Administrative Agent,
shall have the right to establish such reasonable additional product quality
controls as the Administrative Agent or such conservator, in its sole and
absolute judgment, may deem necessary to assure maintenance of the quality of
products sold by Grantor under the Trademarks and the Licenses or in connection
with which such Trademarks and Licenses are used. Grantor agrees (i) not to sell
or assign its respective interests in, or grant any license under, the
Trademarks or the Licenses without the prior and express written consent of the
Administrative Agent (which consent, prior to the occurrence and continuance of
a Default, shall not be unreasonably withheld), (ii) to maintain the quality of
such products as of the date hereof, and (iii) not to reduce the quality of such
products in any material respect without the Administrative Agent's prior and
express written consent.

         SECTION 9. Nature and Continuation of the Administrative Agent's
Security Interest; Termination of the Administrative Agent's Security Interest.
This Agreement is made for collateral security purposes only. This Agreement
shall create a continuing security interest in the Trademarks and Licenses and
shall terminate only when the Secured Obligations have been paid in full in cash
and the Credit Agreement and the Security Agreement have been terminated. When
this Agreement has terminated, the Administrative Agent shall promptly execute
and deliver to Grantor, at Grantor's expense, all termination statements and
other instruments as may be necessary or proper to terminate the Administrative
Agent's security interest in the Trademarks and the Licenses, subject to any
disposition thereof which may have been made by the Administrative Agent
pursuant to this Agreement or the Security Agreement.

         SECTION 10. Duties of Grantor. Grantor shall have the duty, to the
extent desirable in the normal conduct of Grantor's business and consistent with
the exercise of its reasonable business judgment, to: (i) prosecute diligently
any trademark application or service mark application that is part of the
Trademarks pending as of the date hereof or hereafter until the termination of
this Agreement, and (ii) make application for trademarks or service marks.
Grantor further agrees (i) not to abandon any Trademark or License unless the
Grantor reasonably determines that it is in its best interests to do so and such
abandonment will not materially impair Grantor's ability to maintain its
business in the ordinary course, and (ii) to use its reasonable commercial
efforts to maintain in full force and effect the Trademarks and the Licenses
that are or shall be necessary or economically desirable in the operation of
Grantor's business. Any expenses incurred in connection with the foregoing shall
be borne by Grantor. Neither the Administrative Agent nor any of the Holders of
Secured Obligations shall have any duty with respect to the Trademarks and
Licenses. Without limiting the generality of the foregoing, neither the
Administrative Agent nor any of the Holders of Secured Obligations shall be
under any obligation to take any steps

                                       4
<PAGE>   19

necessary to preserve rights in the Trademarks or Licenses against any other
parties, but the Administrative Agent may do so at its option from and after the
occurrence of a Default, and all expenses incurred in connection therewith shall
be for the sole account of Grantor and shall be added to the Secured Obligations
secured hereby.

         SECTION 11. The Administrative Agent's Right to Sue. From and after the
occurrence of a Default, the Administrative Agent shall have the right, but
shall not be obligated, to bring suit in its own name to enforce the Trademarks
and the Licenses and, if the Administrative Agent shall commence any such suit,
Grantor shall, at the request of the Administrative Agent, do any and all lawful
acts and execute any and all proper documents required by the Administrative
Agent in aid of such enforcement. Grantor shall, upon demand, promptly reimburse
the Administrative Agent for all costs and expenses incurred by the
Administrative Agent in the exercise of its rights under this Section 11
(including, without limitation, reasonable fees and expenses of attorneys and
paralegals for the Administrative Agent).

         SECTION 12. Waivers. The Administrative Agent's failure, at any time or
times hereafter, to require strict performance by Grantor of any provision of
this Agreement shall not waive, affect or diminish any right of the
Administrative Agent thereafter to demand strict compliance and performance
therewith nor shall any course of dealing between Grantor and the Administrative
Agent have such effect. No single or partial exercise of any right hereunder
shall preclude any other or further exercise thereof or the exercise of any
other right. None of the undertakings, agreements, warranties, covenants and
representations of Grantor contained in this Agreement shall be deemed to have
been suspended or waived by the Administrative Agent unless such suspension or
waiver is in writing signed by an officer of the Administrative Agent and
directed to Grantor specifying such suspension or waiver.

         SECTION 13. Severability. Whenever possible, each provision of this
Agreement shall be interpreted in such manner as to be effective and valid under
applicable law, but the provisions of this Agreement are severable, and if any
clause or provision shall be held invalid and unenforceable in whole or in part
in any jurisdiction, then such invalidity or unenforceability shall affect only
such clause or provision, or part hereof, in such jurisdiction, and shall not in
any manner affect such clause or provision in any other jurisdiction, or any
other clause or provision of this Agreement in any jurisdiction.

         SECTION 14. Modification. This Agreement cannot be altered, amended or
modified in any way, except as specifically provided in Section 6 hereof or by a
writing signed by the parties hereto.

         SECTION 15. Cumulative Remedies; Power of Attorney. Grantor hereby
irrevocably designates, constitutes and appoints the Administrative Agent (and
all Persons designated by the Administrative Agent in its sole and absolute
discretion) as Grantor's true and lawful attorney-in-fact, and authorizes the
Administrative Agent and any of the Administrative Agent's designees, in
Grantor's or the Administrative Agent's name, to take any action and execute any
instrument which the Administrative Agent may deem necessary or advisable to
accomplish the purposes of this Agreement, including, without limitation, from
and during the continuance of a

                                       5
<PAGE>   20

Default and the giving by the Administrative Agent of notice to Grantor of the
Administrative Agent's intention to enforce its rights and claims against
Grantor, to (i) endorse Grantor's name on all applications, documents, papers
and instruments necessary or desirable for the Administrative Agent in the use
of the Trademarks or the Licenses, (ii) assign, pledge, convey or otherwise
transfer title in or dispose of the Trademarks or the Licenses to anyone on
commercially reasonable terms, (iii) grant or issue any exclusive or
nonexclusive license under the Trademarks or, to the extent permitted, under the
Licenses, to anyone on commercially reasonable terms, and (iv) take any other
actions with respect to the Trademarks or the Licenses as the Administrative
Agent deems in its own or the Holders of Secured Obligations' best interest.
Grantor hereby ratifies all that such attorney shall lawfully do or cause to be
done by virtue hereof. This power of attorney is coupled with an interest and
shall be irrevocable until all of the Obligations shall have been paid in full
in cash and the Credit Agreement shall have been terminated. Grantor
acknowledges and agrees that this Agreement is not intended to limit or restrict
in any way the rights and remedies of the Administrative Agent or the other
Holders of Secured Obligations under the Security Agreement, but rather is
intended to facilitate the exercise of such rights and remedies.

                  The Administrative Agent shall have, in addition to all other
rights and remedies given it by the terms of this Agreement, all rights and
remedies allowed by law and the rights and remedies of a secured party under the
Uniform Commercial Code as enacted in any jurisdiction in which the Trademarks
or the Licenses may be located or deemed located. Upon the occurrence and during
the continuance of a Default and the election by the Administrative Agent to
exercise any of its remedies under Section 9-504 or Section 9-505 of the Uniform
Commercial Code with respect to the Trademarks and Licenses, Grantor agrees to
assign, convey and otherwise transfer title in and to the Trademarks and the
Licenses to the Administrative Agent or any transferee of the Administrative
Agent and to execute and deliver to the Administrative Agent or any such
transferee all such agreements, documents and instruments as may be necessary,
in the Administrative Agent's sole discretion, to effect such assignment,
conveyance and transfer. All of the Administrative Agent's rights and remedies
with respect to the Trademarks and the Licenses, whether established hereby, by
the Security Agreement, by any other agreements or by law, shall be cumulative
and may be exercised separately or concurrently. Notwithstanding anything set
forth herein to the contrary, it is hereby expressly agreed that upon the
occurrence and during the continuance of a Default, the Administrative Agent may
exercise any of the rights and remedies provided in this Agreement, the Security
Agreement and any of the other Loan Documents. Grantor agrees that any
notification of intended disposition of any of the Trademarks and Licenses
required by law shall be deemed reasonably and properly given if given at least
ten (10) days before such disposition.

         SECTION 16. Successors and Assigns. This Agreement shall be binding
upon Grantor and its successors and assigns, and shall inure to the benefit of
each of the Holders of Secured Obligations and its nominees, successors and
assigns. Grantor's successors and assigns shall include, without limitation, a
receiver, trustee or debtor-in-possession of or for Grantor; provided, however,
that Grantor shall not voluntarily assign or transfer its rights or obligations
hereunder without the Administrative Agent's prior written consent.

                                       6
<PAGE>   21

         SECTION 17. GOVERNING LAW. THIS AGREEMENT SHALL BE GOVERNED BY AND
CONSTRUED IN ACCORDANCE WITH THE INTERNAL LAWS (INCLUDING, WITHOUT LIMITATION
735 ILCS SECTION 105/5-1 ET SEQ., BUT OTHERWISE WITHOUT REGARD TO THE CONFLICT
OF LAWS PROVISIONS) OF THE STATE OF ILLINOIS, BUT GIVING EFFECT TO FEDERAL LAWS
APPLICABLE TO NATIONAL BANKS. ANY DISPUTE BETWEEN THE PLEDGOR AND THE
ADMINISTRATIVE AGENT OR ANY LENDER, OR ANY OTHER HOLDER OF SECURED OBLIGATIONS
ARISING OUT OF, CONNECTED WITH, RELATED TO, OR INCIDENTAL TO THE RELATIONSHIP
ESTABLISHED BETWEEN THEM IN CONNECTION WITH, THIS AGREEMENT, AND WHETHER ARISING
IN CONTRACT, TORT, EQUITY, OR OTHERWISE, SHALL BE RESOLVED IN ACCORDANCE WITH
THE INTERNAL LAWS (INCLUDING, WITHOUT LIMITATION, 735 ILCS SECTION 105/5-1 ET
SEQ., BUT OTHERWISE WITHOUT REGARD TO THE CONFLICTS OF LAWS PROVISIONS) OF THE
STATE OF ILLINOIS, BUT GIVING EFFECT TO FEDERAL LAWS APPLICABLE TO NATIONAL
BANKS.

         SECTION 18. CONSENT TO JURISDICTION; SERVICE OF PROCESS; JURY TRIAL.

         (a) EXCLUSIVE JURISDICTION. EXCEPT AS PROVIDED IN SUBSECTION (b), EACH
OF THE PARTIES HERETO AGREES THAT ALL DISPUTES AMONG THEM ARISING OUT OF,
CONNECTED WITH, RELATED TO, OR INCIDENTAL TO THE RELATIONSHIP ESTABLISHED AMONG
THEM IN CONNECTION WITH, THIS AGREEMENT OR ANY OF THE OTHER LOAN DOCUMENTS
WHETHER ARISING IN CONTRACT, TORT, EQUITY, OR OTHERWISE, SHALL BE RESOLVED
EXCLUSIVELY BY STATE OR FEDERAL COURTS LOCATED IN CHICAGO, ILLINOIS, BUT THE
PARTIES HERETO ACKNOWLEDGE THAT ANY APPEALS FROM THOSE COURTS MAY HAVE TO BE
HEARD BY A COURT LOCATED OUTSIDE OF CHICAGO, ILLINOIS. EACH OF THE PARTIES
HERETO WAIVES IN ALL DISPUTES BROUGHT PURSUANT TO THIS SUBSECTION (a) ANY
OBJECTION THAT IT MAY HAVE TO THE LOCATION OF THE COURT CONSIDERING THE DISPUTE.

         (b) OTHER JURISDICTIONS. THE GRANTOR AGREES THAT THE ADMINISTRATIVE
AGENT, ANY LENDER OR ANY OTHER HOLDER OF SECURED OBLIGATIONS SHALL HAVE THE
RIGHT TO PROCEED AGAINST THE GRANTOR OR ITS RESPECTIVE PROPERTY IN A COURT IN
ANY LOCATION TO ENABLE SUCH PERSON TO (1) OBTAIN PERSONAL JURISDICTION OVER SUCH
GRANTOR OR (2) REALIZE ON THE COLLATERAL GRANTED IN CONNECTION HEREWITH, OR (3)
IN ORDER TO ENFORCE A JUDGMENT OR OTHER COURT ORDER ENTERED IN FAVOR OF SUCH
PERSON. THE GRANTOR AGREES THAT IT WILL NOT ASSERT ANY PERMISSIVE COUNTERCLAIMS
IN ANY PROCEEDING BROUGHT BY SUCH PERSON IN A LOCATION OUTSIDE OF ILLINOIS TO
REALIZE ON ANY SECURITY FOR THE OBLIGATIONS OR TO ENFORCE A JUDGMENT OR OTHER
COURT ORDER IN FAVOR OF SUCH PERSON; PROVIDED THAT THE GRANTOR'S RIGHT TO ASSERT
PERMISSIVE COUNTERCLAIMS IN STATE OR FEDERAL COURTS LOCATED IN CHICAGO, ILLINOIS
SHALL BE PRESERVED. THE GRANTOR WAIVES ANY

                                       7
<PAGE>   22

OBJECTION THAT IT MAY HAVE TO THE LOCATION OF THE COURT IN WHICH SUCH PERSON HAS
COMMENCED A PROCEEDING DESCRIBED IN THIS SUBSECTION (b).

         (c) VENUE. EACH OF THE LENDERS AND THE GRANTOR IRREVOCABLY WAIVES ANY
OBJECTION (INCLUDING, WITHOUT LIMITATION, ANY OBJECTION OF THE LAYING OF VENUE
OR BASED ON THE GROUNDS OF FORUM NON CONVENIENS) WHICH IT MAY NOW OR HEREAFTER
HAVE TO THE BRINGING OF ANY SUCH ACTION OR PROCEEDING WITH RESPECT TO THIS
AGREEMENT OR ANY OTHER INSTRUMENT, DOCUMENT OR AGREEMENT EXECUTED OR DELIVERED
IN CONNECTION HEREWITH IN ANY JURISDICTION SET FORTH ABOVE.

         (d) THE GRANTOR WAIVES PERSONAL SERVICE OF ANY PROCESS UPON IT AND
IRREVOCABLY APPOINTS CT CORPORATION, WITH OFFICES AT 208 SOUTH LASALLE STREET,
CHICAGO, ILLINOIS 60604, AS THE GRANTOR'S AGENT FOR THE PURPOSE OF ACCEPTING
SERVICE OF PROCESS ISSUED BY ANY COURT. NOTHING HEREIN SHALL IN ANY WAY BE
DEEMED TO LIMIT THE ABILITY OF THE ADMINISTRATIVE AGENT OR ANY LENDER TO SERVE
ANY SUCH WRITS, PROCESS OR SUMMONSES IN ANY OTHER MANNER PERMITTED BY APPLICABLE
LAW.

         (e) WAIVER OF JURY TRIAL. EACH OF THE PARTIES HERETO IRREVOCABLY WAIVES
ANY RIGHT TO HAVE A JURY PARTICIPATE IN RESOLVING ANY DISPUTE, WHETHER SOUNDING
IN CONTRACT, TORT, OR OTHERWISE, ARISING OUT OF, CONNECTED WITH, RELATED TO OR
INCIDENTAL TO THE RELATIONSHIP ESTABLISHED AMONG THEM IN CONNECTION WITH THIS
AGREEMENT OR ANY OTHER INSTRUMENT, DOCUMENT OR AGREEMENT EXECUTED OR DELIVERED
IN CONNECTION HEREWITH. EACH OF THE PARTIES HERETO AGREES AND CONSENTS THAT ANY
SUCH CLAIM, DEMAND, ACTION OR CAUSE OF ACTION SHALL BE DECIDED BY COURT TRIAL
WITHOUT A JURY AND THAT ANY PARTY HERETO MAY FILE AN ORIGINAL COUNTERPART OR A
COPY OF THIS AGREEMENT WITH ANY COURT AS WRITTEN EVIDENCE OF THE CONSENT OF THE
PARTIES HERETO TO THE WAIVER OF THEIR RIGHT TO TRIAL BY JURY.

         (f) WAIVER OF BOND. THE GRANTOR WAIVES THE POSTING OF ANY BOND
OTHERWISE REQUIRED OF ANY PARTY HERETO IN CONNECTION WITH ANY JUDICIAL PROCESS
OR PROCEEDING TO REALIZE ON THE COLLATERAL, ENFORCE ANY JUDGMENT OR OTHER COURT
ORDER ENTERED IN FAVOR OF SUCH PARTY, OR TO ENFORCE BY SPECIFIC PERFORMANCE,
TEMPORARY RESTRAINING ORDER, PRELIMINARY OR PERMANENT INJUNCTION, THIS AGREEMENT
OR ANY OTHER LOAN DOCUMENT.

         (g) ADVICE OF COUNSEL. EACH OF THE PARTIES REPRESENTS TO EACH OTHER
PARTY HERETO THAT IT HAS DISCUSSED THIS AGREEMENT AND, SPECIFICALLY, THE
PROVISIONS OF THIS SECTION 18, WITH ITS COUNSEL.

                                       8
<PAGE>   23

         SECTION 19. Notices. All notices or other communications hereunder
shall be given in the manner and to the address of the Parent Borrowers, in the
case of the Grantor, and to the address of the Administrative Agent, in each
case, as set forth in the Credit Agreement.

         SECTION 20. Section Titles. The section titles herein are for
convenience of reference only, and shall not affect in any way the
interpretation of any of the provisions hereof.

         SECTION 21. Execution in Counterparts. This Agreement may be executed
in any number of counterparts and by different parties hereto in separate
counterparts, each of which when so executed shall be deemed to be an original
and all of which taken together shall constitute one and the same agreement.

         SECTION 22. Merger. This Agreement represents the final agreement of
the Grantor and the Administrative Agent with respect to the matters contained
herein and may not be contradicted by evidence of prior or contemporaneous
agreements, or subsequent oral agreements, between the Grantor and the
Administrative Agent or any Holder of Secured Obligations.

                                       9
<PAGE>   24

         IN WITNESS WHEREOF, the parties hereto have duly executed this
Agreement as of the day and year first above written.

                                             KERR CORPORATION

                                             By:
                                                -------------------------------
                                             Name:  Stephen J. Tomassi
                                             Title: Authorized Representative

ATTEST:

By:
   ----------------------------
   Title:

                                             Accepted and agreed to as of the
                                             day and year first above written.

                                             ABN AMRO BANK N.V.,
                                             as Administrative Agent

                                             By:
                                                -------------------------------
                                             Name:
                                             Title:

                                             By:
                                                -------------------------------
                                             Name:
                                             Title:

<PAGE>   25

                                   SCHEDULE A
                                       to
                          Trademark Security Agreement
                          Dated as of December 11, 2000

                                  See attached

<PAGE>   26

                                   SCHEDULE B
                                       to
                          Trademark Security Agreement
                          Dated as of December 11, 2000

                                  See attached

<PAGE>   27

STATE OF ILLINOIS   )
                    )  SS
COUNTY OF COOK      )

         The foregoing Trademark Security Agreement was acknowledged before me
this 7th day of December, 2000, by Stephen J. Tomassi, an Authorized
Representative of Kerr Corporation, a Delaware corporation, on behalf of such
corporation.

                                             -------------------------------
                                             Notary Public
                                             Cook County, Illinois
                                             My commission expires: 12/15/02

<PAGE>   28

STATE OF ILLINOIS   )
                    )  SS
COUNTY OF COOK      )

         The foregoing Trademark Security Agreement was acknowledged before me
this ____ day of December, 2000, by _________________________, a
_________________________ and ___________________________, a
_____________________________ of ABN AMRO Bank N.V., on behalf of such
institution.

                                             -------------------------------
                                             Notary Public
                                             Cook County, Illinois
                                             My commission expires:

<PAGE>   29

                          TRADEMARK SECURITY AGREEMENT

                  THIS TRADEMARK SECURITY AGREEMENT ("Agreement") is made as of
December 11, 2000, by and between ORMCO CORPORATION, a Delaware corporation
("Grantor"), and ABN AMRO BANK N.V., as contractual representative (the
"Administrative Agent") for its benefit and the benefit of the "Holders of
Secured Obligations" (as such term is defined in the "Credit Agreement" defined
below).

                                   WITNESSETH:

                  WHEREAS, Sybron Dental Management, Inc., the Subsidiary Swing
Line Borrowers from time to time party thereto, Kerr Corporation and Ormco
Corporation, as the "Borrowers", Sybron Dental Specialties, Inc., as the
"Parent", the institutions from time to time party thereto as "Lenders", the
Administrative Agent, The Chase Manhattan Bank, as "Syndication Agent and First
Union National Bank, as "Documentation Agent" are parties to that certain Credit
Agreement dated as of November 28, 2000 (as the same may hereafter be modified,
amended, restated or supplemented from time to time, the "Credit Agreement"),
pursuant to which the Lenders may, from time to time, extend credit to
Borrowers; and

                  WHEREAS, Grantor and the Administrative Agent are parties to
that certain Security Agreement dated as of December 11, 2000 (as the same may
hereafter be modified, amended, restated or supplemented from time to time, the
"Security Agreement"), pursuant to which Grantor has granted a security interest
in certain of its assets to the Administrative Agent for the benefit of the
Administrative Agent and the Holders of Secured Obligations; and

                  WHEREAS, the Lenders have required Grantor to execute and
deliver this Agreement (i) in order to secure the prompt and complete payment,
observance and performance of all of the "Secured Obligations" (as defined in
the Credit Agreement) and (ii) as a condition precedent to any extension of
credit to the Borrowers under the Credit Agreement;

                  NOW, THEREFORE, in consideration of the premises set forth
herein and for other good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged, Grantor agrees as follows:

         SECTION 1. Defined Terms.

         (a) Unless otherwise defined herein, each capitalized term used herein
that is defined in the Credit Agreement shall have the meaning specified for
such term in the Credit Agreement. Unless otherwise defined herein or in the
Credit Agreement, each capitalized term used herein that is defined in the
Security Agreement shall have the meaning specified for such term in the
Security Agreement.

<PAGE>   30

         (b) The words "hereof," "herein" and "hereunder" and words of like
import when used in this Agreement shall refer to this Agreement as a whole and
not to any particular provision of this Agreement, and section references are to
this Agreement unless otherwise specified.

         (c) All terms defined in this Agreement in the singular shall have
comparable meanings when used in the plural, and vice versa, unless otherwise
specified.

         SECTION 2. Incorporation of Premises. The premises set forth above are
incorporated into this Agreement by this reference thereto and are made a part
hereof.

         SECTION 3. Incorporation of the Credit Agreement. The Credit Agreement
and the terms and provisions thereof are hereby incorporated herein in their
entirety by this reference thereto.

         SECTION 4. Security Interest in Trademarks. To secure the complete and
timely payment, performance and satisfaction of all of the Secured Obligations,
Grantor hereby grants to the Administrative Agent, for the benefit of the
Holders of Secured Obligations, a security interest in, as and by way of a first
mortgage and security interest having priority over all other security interests
(other than Permitted Existing Liens), with power of sale to the extent
permitted by applicable law, all of Grantor's now owned or existing and
hereafter acquired or arising:

         (a) domestic trademarks, registered trademarks, trademark applications,
service marks, registered service marks and service mark applications,
including, without limitation, the trademarks, registered trademarks, trademark
applications, service marks, registered service marks and service mark
applications listed on Schedule A attached hereto and made a part hereof, and
(i) all renewals thereof, (ii) all income, royalties, damages and payments now
and hereafter due and/or payable under and with respect thereto, including,
without limitation, payments under all licenses entered into in connection
therewith and damages and payments for past or future infringements or dilutions
thereof, (iii) the right to sue for past, present and future infringements and
dilutions thereof, (iv) the goodwill of Grantor's business symbolized by the
foregoing and connected therewith, and (v) all of Grantor's rights corresponding
thereto throughout the world (all of the foregoing trademarks, registered
trademarks and trademark applications, and service marks, registered service
marks and service mark applications, together with the items described in
clauses (i)-(v) in this Section 4(a), are sometimes hereinafter individually
and/or collectively referred to as the "Trademarks"); and

         (b) rights under or interest in any trademark license agreements or
service mark license agreements with any other party, whether Grantor is a
licensee or licensor under any such license agreement, including, without
limitation, those trademark license agreements and service mark license
agreements listed on Schedule B attached hereto and made a part hereof, together
with any goodwill connected with and symbolized by any such trademark license
agreements or service mark license agreements, and the right to prepare for sale
and sell any and all Inventory now or hereafter owned by Grantor and now or
hereafter covered by such licenses (all of the foregoing are hereinafter
referred to collectively as the "Licenses").

                                       2
<PAGE>   31

         SECTION 5. Restrictions on Future Agreements. Grantor will not, after
the date hereof, without the Administrative Agent's prior written consent, enter
into any agreement, including, without limitation, any license agreement, which
is inconsistent with this Agreement, and Grantor further agrees that it will not
take any action, and will use its reasonable commercial efforts not to permit
any action to be taken by others, including, without limitation, licensees, or
fail to take any action, which would in any respect affect the validity or
enforcement of the rights transferred to the Administrative Agent under this
Agreement or the rights associated with the Trademarks or Licenses.

         SECTION 6. New Trademarks and Licenses. Grantor represents and warrants
that, from and after the Closing Date, (a) the Trademarks listed on Schedule A
include all of the domestic trademarks, registered trademarks, trademark
applications, service marks, registered service marks and service mark
applications now owned or held by Grantor, (b) the Licenses listed on Schedule B
include all of the trademark license agreements and service mark license
agreements under which Grantor is the licensee or licensor and (c) no liens,
claims or security interests in such Trademarks and Licenses have been granted
by Grantor to any Person other than the Administrative Agent or to holders of
Permitted Existing Liens. If, prior to the termination of this Agreement,
Grantor shall (i) obtain rights to any new domestic trademarks, registered
trademarks, trademark applications, service marks, registered service marks or
service mark applications, (ii) become entitled to the benefit of any domestic
trademarks, registered trademarks, trademark applications, trademark licenses,
trademark license renewals, service marks, registered service marks, service
mark applications, service mark licenses or service mark license renewals
whether as licensee or licensor, or (iii) enter into any new trademark license
agreement or service mark license agreement, the provisions of Section 4 above
shall automatically apply thereto. Grantor shall give to the Administrative
Agent written notice of events described in clauses (i), (ii) and (iii) of the
preceding sentence promptly after the occurrence thereof, but in any event not
less frequently than on a quarterly basis. Grantor hereby authorizes the
Administrative Agent to modify this Agreement unilaterally (i) by amending
Schedule A to include any future domestic trademarks, registered trademarks,
trademark applications, service marks, registered service marks and service mark
applications and by amending Schedule B to include any future trademark license
agreements and service mark license agreements, which are Trademarks or Licenses
under Section 4 above or under this Section 6, and (ii) by filing, in addition
to and not in substitution for this Agreement, a duplicate original of this
Agreement containing on Schedule A or B thereto, as the case may be, such future
trademarks, registered trademarks, trademark applications, service marks,
registered service marks and service mark applications, and trademark license
agreements and service mark license agreements.

         SECTION 7. Royalties. Grantor hereby agrees that the use by the
Administrative Agent of the Trademarks and Licenses as authorized hereunder in
connection with the Administrative Agent's exercise of its rights and remedies
under Section 15 or pursuant to Section 17 of the Security Agreement shall be
coextensive with Grantor's rights thereunder and with respect thereto and

                                       3
<PAGE>   32

without any liability for royalties or other related charges from the
Administrative Agent or the other Holders of Secured Obligations to Grantor.

         SECTION 8. Right to Inspect; Further Assignments and Security
Interests. The Administrative Agent may at all reasonable times (and at any time
when an Unmatured Default or Default exists) have access to, examine, audit,
make copies (at Grantor's expense) and extracts from and inspect Grantor's
premises and examine Grantor's books, records and operations relating to the
Trademarks and Licenses; provided, that in conducting such inspections and
examinations, the Administrative Agent shall use reasonable efforts not to
disturb unnecessarily the conduct of Grantor's ordinary business operations.
From and during the continuance of a Default, Grantor agrees that the
Administrative Agent, or a conservator appointed by the Administrative Agent,
shall have the right to establish such reasonable additional product quality
controls as the Administrative Agent or such conservator, in its sole and
absolute judgment, may deem necessary to assure maintenance of the quality of
products sold by Grantor under the Trademarks and the Licenses or in connection
with which such Trademarks and Licenses are used. Grantor agrees (i) not to sell
or assign its respective interests in, or grant any license under, the
Trademarks or the Licenses without the prior and express written consent of the
Administrative Agent (which consent, prior to the occurrence and continuance of
a Default, shall not be unreasonably withheld), (ii) to maintain the quality of
such products as of the date hereof, and (iii) not to reduce the quality of such
products in any material respect without the Administrative Agent's prior and
express written consent.

         SECTION 9. Nature and Continuation of the Administrative Agent's
Security Interest; Termination of the Administrative Agent's Security Interest.
This Agreement is made for collateral security purposes only. This Agreement
shall create a continuing security interest in the Trademarks and Licenses and
shall terminate only when the Secured Obligations have been paid in full in cash
and the Credit Agreement and the Security Agreement have been terminated. When
this Agreement has terminated, the Administrative Agent shall promptly execute
and deliver to Grantor, at Grantor's expense, all termination statements and
other instruments as may be necessary or proper to terminate the Administrative
Agent's security interest in the Trademarks and the Licenses, subject to any
disposition thereof which may have been made by the Administrative Agent
pursuant to this Agreement or the Security Agreement.

         SECTION 10. Duties of Grantor. Grantor shall have the duty, to the
extent desirable in the normal conduct of Grantor's business and consistent with
the exercise of its reasonable business judgment, to: (i) prosecute diligently
any trademark application or service mark application that is part of the
Trademarks pending as of the date hereof or hereafter until the termination of
this Agreement, and (ii) make application for trademarks or service marks.
Grantor further agrees (i) not to abandon any Trademark or License unless the
Grantor reasonably determines that it is in its best interests to do so and such
abandonment will not materially impair Grantor's ability to maintain its
business in the ordinary course, and (ii) to use its reasonable commercial
efforts to maintain in full force and effect the Trademarks and the Licenses
that are or shall be necessary or economically desirable in the operation of
Grantor's business. Any expenses incurred in

                                       4
<PAGE>   33

connection with the foregoing shall be borne by Grantor. Neither the
Administrative Agent nor any of the Holders of Secured Obligations shall have
any duty with respect to the Trademarks and Licenses. Without limiting the
generality of the foregoing, neither the Administrative Agent nor any of the
Holders of Secured Obligations shall be under any obligation to take any steps
necessary to preserve rights in the Trademarks or Licenses against any other
parties, but the Administrative Agent may do so at its option from and after the
occurrence of a Default, and all expenses incurred in connection therewith shall
be for the sole account of Grantor and shall be added to the Secured Obligations
secured hereby.

         SECTION 11. The Administrative Agent's Right to Sue. From and after the
occurrence of a Default, the Administrative Agent shall have the right, but
shall not be obligated, to bring suit in its own name to enforce the Trademarks
and the Licenses and, if the Administrative Agent shall commence any such suit,
Grantor shall, at the request of the Administrative Agent, do any and all lawful
acts and execute any and all proper documents required by the Administrative
Agent in aid of such enforcement. Grantor shall, upon demand, promptly reimburse
the Administrative Agent for all costs and expenses incurred by the
Administrative Agent in the exercise of its rights under this Section 11
(including, without limitation, reasonable fees and expenses of attorneys and
paralegals for the Administrative Agent).

         SECTION 12. Waivers. The Administrative Agent's failure, at any time or
times hereafter, to require strict performance by Grantor of any provision of
this Agreement shall not waive, affect or diminish any right of the
Administrative Agent thereafter to demand strict compliance and performance
therewith nor shall any course of dealing between Grantor and the Administrative
Agent have such effect. No single or partial exercise of any right hereunder
shall preclude any other or further exercise thereof or the exercise of any
other right. None of the undertakings, agreements, warranties, covenants and
representations of Grantor contained in this Agreement shall be deemed to have
been suspended or waived by the Administrative Agent unless such suspension or
waiver is in writing signed by an officer of the Administrative Agent and
directed to Grantor specifying such suspension or waiver.

         SECTION 13. Severability. Whenever possible, each provision of this
Agreement shall be interpreted in such manner as to be effective and valid under
applicable law, but the provisions of this Agreement are severable, and if any
clause or provision shall be held invalid and unenforceable in whole or in part
in any jurisdiction, then such invalidity or unenforceability shall affect only
such clause or provision, or part hereof, in such jurisdiction, and shall not in
any manner affect such clause or provision in any other jurisdiction, or any
other clause or provision of this Agreement in any jurisdiction.

         SECTION 14. Modification. This Agreement cannot be altered, amended or
modified in any way, except as specifically provided in Section 6 hereof or by a
writing signed by the parties hereto.

         SECTION 15. Cumulative Remedies; Power of Attorney. Grantor hereby
irrevocably designates, constitutes and appoints the Administrative Agent (and
all Persons designated by the

                                       5
<PAGE>   34

Administrative Agent in its sole and absolute discretion) as Grantor's true and
lawful attorney-in-fact, and authorizes the Administrative Agent and any of the
Administrative Agent's designees, in Grantor's or the Administrative Agent's
name, to take any action and execute any instrument which the Administrative
Agent may deem necessary or advisable to accomplish the purposes of this
Agreement, including, without limitation, from and during the continuance of a
Default and the giving by the Administrative Agent of notice to Grantor of the
Administrative Agent's intention to enforce its rights and claims against
Grantor, to (i) endorse Grantor's name on all applications, documents, papers
and instruments necessary or desirable for the Administrative Agent in the use
of the Trademarks or the Licenses, (ii) assign, pledge, convey or otherwise
transfer title in or dispose of the Trademarks or the Licenses to anyone on
commercially reasonable terms, (iii) grant or issue any exclusive or
nonexclusive license under the Trademarks or, to the extent permitted, under the
Licenses, to anyone on commercially reasonable terms, and (iv) take any other
actions with respect to the Trademarks or the Licenses as the Administrative
Agent deems in its own or the Holders of Secured Obligations' best interest.
Grantor hereby ratifies all that such attorney shall lawfully do or cause to be
done by virtue hereof. This power of attorney is coupled with an interest and
shall be irrevocable until all of the Obligations shall have been paid in full
in cash and the Credit Agreement shall have been terminated. Grantor
acknowledges and agrees that this Agreement is not intended to limit or restrict
in any way the rights and remedies of the Administrative Agent or the other
Holders of Secured Obligations under the Security Agreement, but rather is
intended to facilitate the exercise of such rights and remedies.

                  The Administrative Agent shall have, in addition to all other
rights and remedies given it by the terms of this Agreement, all rights and
remedies allowed by law and the rights and remedies of a secured party under the
Uniform Commercial Code as enacted in any jurisdiction in which the Trademarks
or the Licenses may be located or deemed located. Upon the occurrence and during
the continuance of a Default and the election by the Administrative Agent to
exercise any of its remedies under Section 9-504 or Section 9-505 of the Uniform
Commercial Code with respect to the Trademarks and Licenses, Grantor agrees to
assign, convey and otherwise transfer title in and to the Trademarks and the
Licenses to the Administrative Agent or any transferee of the Administrative
Agent and to execute and deliver to the Administrative Agent or any such
transferee all such agreements, documents and instruments as may be necessary,
in the Administrative Agent's sole discretion, to effect such assignment,
conveyance and transfer. All of the Administrative Agent's rights and remedies
with respect to the Trademarks and the Licenses, whether established hereby, by
the Security Agreement, by any other agreements or by law, shall be cumulative
and may be exercised separately or concurrently. Notwithstanding anything set
forth herein to the contrary, it is hereby expressly agreed that upon the
occurrence and during the continuance of a Default, the Administrative Agent may
exercise any of the rights and remedies provided in this Agreement, the Security
Agreement and any of the other Loan Documents. Grantor agrees that any
notification of intended disposition of any of the Trademarks and Licenses
required by law shall be deemed reasonably and properly given if given at least
ten (10) days before such disposition.

                                       6
<PAGE>   35

         SECTION 16. Successors and Assigns. This Agreement shall be binding
upon Grantor and its successors and assigns, and shall inure to the benefit of
each of the Holders of Secured Obligations and its nominees, successors and
assigns. Grantor's successors and assigns shall include, without limitation, a
receiver, trustee or debtor-in-possession of or for Grantor; provided, however,
that Grantor shall not voluntarily assign or transfer its rights or obligations
hereunder without the Administrative Agent's prior written consent.

         SECTION 17. GOVERNING LAW. THIS AGREEMENT SHALL BE GOVERNED BY AND
CONSTRUED IN ACCORDANCE WITH THE INTERNAL LAWS (INCLUDING, WITHOUT LIMITATION
735 ILCS SECTION 105/5-1 ET SEQ., BUT OTHERWISE WITHOUT REGARD TO THE CONFLICT
OF LAWS PROVISIONS) OF THE STATE OF ILLINOIS, BUT GIVING EFFECT TO FEDERAL LAWS
APPLICABLE TO NATIONAL BANKS. ANY DISPUTE BETWEEN THE PLEDGOR AND THE
ADMINISTRATIVE AGENT OR ANY LENDER, OR ANY OTHER HOLDER OF SECURED OBLIGATIONS
ARISING OUT OF, CONNECTED WITH, RELATED TO, OR INCIDENTAL TO THE RELATIONSHIP
ESTABLISHED BETWEEN THEM IN CONNECTION WITH, THIS AGREEMENT, AND WHETHER ARISING
IN CONTRACT, TORT, EQUITY, OR OTHERWISE, SHALL BE RESOLVED IN ACCORDANCE WITH
THE INTERNAL LAWS (INCLUDING, WITHOUT LIMITATION, 735 ILCS SECTION 105/5-1 ET
SEQ., BUT OTHERWISE WITHOUT REGARD TO THE CONFLICTS OF LAWS PROVISIONS) OF THE
STATE OF ILLINOIS, BUT GIVING EFFECT TO FEDERAL LAWS APPLICABLE TO NATIONAL
BANKS.

         SECTION 18. CONSENT TO JURISDICTION; SERVICE OF PROCESS; JURY TRIAL.

         (a) EXCLUSIVE JURISDICTION. EXCEPT AS PROVIDED IN SUBSECTION (b), EACH
OF THE PARTIES HERETO AGREES THAT ALL DISPUTES AMONG THEM ARISING OUT OF,
CONNECTED WITH, RELATED TO, OR INCIDENTAL TO THE RELATIONSHIP ESTABLISHED AMONG
THEM IN CONNECTION WITH, THIS AGREEMENT OR ANY OF THE OTHER LOAN DOCUMENTS
WHETHER ARISING IN CONTRACT, TORT, EQUITY, OR OTHERWISE, SHALL BE RESOLVED
EXCLUSIVELY BY STATE OR FEDERAL COURTS LOCATED IN CHICAGO, ILLINOIS, BUT THE
PARTIES HERETO ACKNOWLEDGE THAT ANY APPEALS FROM THOSE COURTS MAY HAVE TO BE
HEARD BY A COURT LOCATED OUTSIDE OF CHICAGO, ILLINOIS. EACH OF THE PARTIES
HERETO WAIVES IN ALL DISPUTES BROUGHT PURSUANT TO THIS SUBSECTION (a) ANY
OBJECTION THAT IT MAY HAVE TO THE LOCATION OF THE COURT CONSIDERING THE DISPUTE.

         (b) OTHER JURISDICTIONS. THE GRANTOR AGREES THAT THE ADMINISTRATIVE
AGENT, ANY LENDER OR ANY OTHER HOLDER OF SECURED OBLIGATIONS SHALL HAVE THE
RIGHT TO PROCEED AGAINST THE GRANTOR OR ITS RESPECTIVE PROPERTY IN A COURT IN
ANY LOCATION TO ENABLE SUCH PERSON TO (1) OBTAIN PERSONAL JURISDICTION OVER SUCH
GRANTOR OR (2) REALIZE ON THE COLLATERAL GRANTED IN CONNECTION HEREWITH, OR (3)
IN

                                       7
<PAGE>   36

ORDER TO ENFORCE A JUDGMENT OR OTHER COURT ORDER ENTERED IN FAVOR OF SUCH
PERSON. THE GRANTOR AGREES THAT IT WILL NOT ASSERT ANY PERMISSIVE COUNTERCLAIMS
IN ANY PROCEEDING BROUGHT BY SUCH PERSON IN A LOCATION OUTSIDE OF ILLINOIS TO
REALIZE ON ANY SECURITY FOR THE OBLIGATIONS OR TO ENFORCE A JUDGMENT OR OTHER
COURT ORDER IN FAVOR OF SUCH PERSON; PROVIDED THAT THE GRANTOR'S RIGHT TO ASSERT
PERMISSIVE COUNTERCLAIMS IN STATE OR FEDERAL COURTS LOCATED IN CHICAGO, ILLINOIS
SHALL BE PRESERVED. THE GRANTOR WAIVES ANY OBJECTION THAT IT MAY HAVE TO THE
LOCATION OF THE COURT IN WHICH SUCH PERSON HAS COMMENCED A PROCEEDING DESCRIBED
IN THIS SUBSECTION (b).

         (c) VENUE. EACH OF THE LENDERS AND THE GRANTOR IRREVOCABLY WAIVES ANY
OBJECTION (INCLUDING, WITHOUT LIMITATION, ANY OBJECTION OF THE LAYING OF VENUE
OR BASED ON THE GROUNDS OF FORUM NON CONVENIENS) WHICH IT MAY NOW OR HEREAFTER
HAVE TO THE BRINGING OF ANY SUCH ACTION OR PROCEEDING WITH RESPECT TO THIS
AGREEMENT OR ANY OTHER INSTRUMENT, DOCUMENT OR AGREEMENT EXECUTED OR DELIVERED
IN CONNECTION HEREWITH IN ANY JURISDICTION SET FORTH ABOVE.

         (d) THE GRANTOR WAIVES PERSONAL SERVICE OF ANY PROCESS UPON IT AND
IRREVOCABLY APPOINTS CT CORPORATION, WITH OFFICES AT 208 SOUTH LASALLE STREET,
CHICAGO, ILLINOIS 60604, AS THE GRANTOR'S AGENT FOR THE PURPOSE OF ACCEPTING
SERVICE OF PROCESS ISSUED BY ANY COURT. NOTHING HEREIN SHALL IN ANY WAY BE
DEEMED TO LIMIT THE ABILITY OF THE ADMINISTRATIVE AGENT OR ANY LENDER TO SERVE
ANY SUCH WRITS, PROCESS OR SUMMONSES IN ANY OTHER MANNER PERMITTED BY APPLICABLE
LAW.

         (e) WAIVER OF JURY TRIAL. EACH OF THE PARTIES HERETO IRREVOCABLY WAIVES
ANY RIGHT TO HAVE A JURY PARTICIPATE IN RESOLVING ANY DISPUTE, WHETHER SOUNDING
IN CONTRACT, TORT, OR OTHERWISE, ARISING OUT OF, CONNECTED WITH, RELATED TO OR
INCIDENTAL TO THE RELATIONSHIP ESTABLISHED AMONG THEM IN CONNECTION WITH THIS
AGREEMENT OR ANY OTHER INSTRUMENT, DOCUMENT OR AGREEMENT EXECUTED OR DELIVERED
IN CONNECTION HEREWITH. EACH OF THE PARTIES HERETO AGREES AND CONSENTS THAT ANY
SUCH CLAIM, DEMAND, ACTION OR CAUSE OF ACTION SHALL BE DECIDED BY COURT TRIAL
WITHOUT A JURY AND THAT ANY PARTY HERETO MAY FILE AN ORIGINAL COUNTERPART OR A
COPY OF THIS AGREEMENT WITH ANY COURT AS WRITTEN EVIDENCE OF THE CONSENT OF THE
PARTIES HERETO TO THE WAIVER OF THEIR RIGHT TO TRIAL BY JURY.

         (f) WAIVER OF BOND. THE GRANTOR WAIVES THE POSTING OF ANY BOND
OTHERWISE REQUIRED OF ANY PARTY HERETO IN CONNECTION WITH ANY JUDICIAL PROCESS
OR PROCEEDING TO REALIZE ON THE COLLATERAL, ENFORCE

                                       8
<PAGE>   37

ANY JUDGMENT OR OTHER COURT ORDER ENTERED IN FAVOR OF SUCH PARTY, OR TO ENFORCE
BY SPECIFIC PERFORMANCE, TEMPORARY RESTRAINING ORDER, PRELIMINARY OR PERMANENT
INJUNCTION, THIS AGREEMENT OR ANY OTHER LOAN DOCUMENT.

         (g) ADVICE OF COUNSEL. EACH OF THE PARTIES REPRESENTS TO EACH OTHER
PARTY HERETO THAT IT HAS DISCUSSED THIS AGREEMENT AND, SPECIFICALLY, THE
PROVISIONS OF THIS SECTION 18, WITH ITS COUNSEL.

         SECTION 19. Notices. All notices or other communications hereunder
shall be given in the manner and to the address of the Parent Borrowers, in the
case of the Grantor, and to the address of the Administrative Agent, in each
case, as set forth in the Credit Agreement.

         SECTION 20. Section Titles. The section titles herein are for
convenience of reference only, and shall not affect in any way the
interpretation of any of the provisions hereof.

         SECTION 21. Execution in Counterparts. This Agreement may be executed
in any number of counterparts and by different parties hereto in separate
counterparts, each of which when so executed shall be deemed to be an original
and all of which taken together shall constitute one and the same agreement.

         SECTION 22. Merger. This Agreement represents the final agreement of
the Grantor and the Administrative Agent with respect to the matters contained
herein and may not be contradicted by evidence of prior or contemporaneous
agreements, or subsequent oral agreements, between the Grantor and the
Administrative Agent or any Holder of Secured Obligations

                                       9
<PAGE>   38

                  IN WITNESS WHEREOF, the parties hereto have duly executed this
Agreement as of the day and year first above written.

                                        ORMCO CORPORATION

                                        By:
                                           ------------------------------
                                        Name:  Stephen J. Tomassi
                                        Title: Authorized Representative

ATTEST:

By:
   --------------------------
 Title:

                                        Accepted and agreed to as of the
                                        day and year first above written.

                                        ABN AMRO BANK N.V.,
                                        as Administrative Agent

                                        By:
                                           ------------------------------
                                        Name:
                                        Title:

                                        By:
                                           ------------------------------
                                        Name:
                                        Title:

<PAGE>   39

                                   SCHEDULE A
                                       to
                          Trademark Security Agreement
                          Dated as of December 11, 2000

                                  See attached

<PAGE>   40

                                   SCHEDULE B
                                       to
                          Trademark Security Agreement
                          Dated as of December 11, 2000

                                  See attached

<PAGE>   41

STATE OF ILLINOIS      )
                       ) SS
COUNTY OF COOK         )

                  The foregoing Trademark Security Agreement was acknowledged
before me this 7th day of December, 2000, by Stephen J. Tomassi, an Authorized
Representative of Ormco Corporation, a Delaware corporation, on behalf of such
corporation.

                                              -----------------------------
                                              Notary Public
                                              Cook County, Illinois
                                              My commission expires: 12/15/02

<PAGE>   42

STATE OF ILLINOIS      )
                       ) SS
COUNTY OF COOK         )

                  The foregoing Trademark Security Agreement was acknowledged
before me this 7th day of December, 2000, by Thomas Kramer, a Senior Vice
President and Wesley Pascavis, a Senior Vice President of ABN AMRO Bank N.V., on
behalf of such institution.

                                              -----------------------------
                                              Notary Public
                                              Cook County, Illinois
                                              My commission expires: 12/15/02

<PAGE>   43

                          TRADEMARK SECURITY AGREEMENT

                  THIS TRADEMARK SECURITY AGREEMENT ("Agreement") is made as of
December 11, 2000, by and between METREX RESEARCH CORPORATION, a Wisconsin
corporation ("Grantor"), and ABN AMRO BANK N.V., as contractual representative
(the "Administrative Agent") for its benefit and the benefit of the "Holders of
Secured Obligations" (as such term is defined in the "Credit Agreement" defined
below).

                                   WITNESSETH:

                  WHEREAS, Sybron Dental Management, Inc., the Subsidiary Swing
Line Borrowers from time to time party thereto, Kerr Corporation and Ormco
Corporation, as the "Borrowers", Sybron Dental Specialties, Inc., as the
"Parent", the institutions from time to time party thereto as "Lenders", the
Administrative Agent, The Chase Manhattan Bank, as "Syndication Agent and First
Union National Bank, as "Documentation Agent" are parties to that certain Credit
Agreement dated as of November 28, 2000 (as the same may hereafter be modified,
amended, restated or supplemented from time to time, the "Credit Agreement"),
pursuant to which the Lenders may, from time to time, extend credit to
Borrowers; and

                  WHEREAS, Grantor and the Administrative Agent are parties to
that certain Security Agreement dated as of December 11, 2000 (as the same may
hereafter be modified, amended, restated or supplemented from time to time, the
"Security Agreement"), pursuant to which Grantor has granted a security interest
in certain of its assets to the Administrative Agent for the benefit of the
Administrative Agent and the Holders of Secured Obligations; and

                  WHEREAS, the Lenders have required Grantor to execute and
deliver this Agreement (i) in order to secure the prompt and complete payment,
observance and performance of all of the "Secured Obligations" (as defined in
the Credit Agreement) and (ii) as a condition precedent to any extension of
credit to the Borrowers under the Credit Agreement;

                  NOW, THEREFORE, in consideration of the premises set forth
herein and for other good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged, Grantor agrees as follows:

         SECTION 1. Defined Terms.

         (a) Unless otherwise defined herein, each capitalized term used herein
that is defined in the Credit Agreement shall have the meaning specified for
such term in the Credit Agreement. Unless otherwise defined herein or in the
Credit Agreement, each capitalized term used herein that is defined in the
Security Agreement shall have the meaning specified for such term in the
Security Agreement.

<PAGE>   44

         (b) The words "hereof," "herein" and "hereunder" and words of like
import when used in this Agreement shall refer to this Agreement as a whole and
not to any particular provision of this Agreement, and section references are to
this Agreement unless otherwise specified.

         (c) All terms defined in this Agreement in the singular shall have
comparable meanings when used in the plural, and vice versa, unless otherwise
specified.

         SECTION 2. Incorporation of Premises. The premises set forth above are
incorporated into this Agreement by this reference thereto and are made a part
hereof.

         SECTION 3. Incorporation of the Credit Agreement. The Credit Agreement
and the terms and provisions thereof are hereby incorporated herein in their
entirety by this reference thereto.

         SECTION 4. Security Interest in Trademarks. To secure the complete and
timely payment, performance and satisfaction of all of the Secured Obligations,
Grantor hereby grants to the Administrative Agent, for the benefit of the
Holders of Secured Obligations, a security interest in, as and by way of a first
mortgage and security interest having priority over all other security interests
(other than Permitted Existing Liens), with power of sale to the extent
permitted by applicable law, all of Grantor's now owned or existing and
hereafter acquired or arising:

         (a) domestic trademarks, registered trademarks, trademark applications,
service marks, registered service marks and service mark applications,
including, without limitation, the trademarks, registered trademarks, trademark
applications, service marks, registered service marks and service mark
applications listed on Schedule A attached hereto and made a part hereof, and
(i) all renewals thereof, (ii) all income, royalties, damages and payments now
and hereafter due and/or payable under and with respect thereto, including,
without limitation, payments under all licenses entered into in connection
therewith and damages and payments for past or future infringements or dilutions
thereof, (iii) the right to sue for past, present and future infringements and
dilutions thereof, (iv) the goodwill of Grantor's business symbolized by the
foregoing and connected therewith, and (v) all of Grantor's rights corresponding
thereto throughout the world (all of the foregoing trademarks, registered
trademarks and trademark applications, and service marks, registered service
marks and service mark applications, together with the items described in
clauses (i)-(v) in this Section 4(a), are sometimes hereinafter individually
and/or collectively referred to as the "Trademarks"); and

         (b) rights under or interest in any trademark license agreements or
service mark license agreements with any other party, whether Grantor is a
licensee or licensor under any such license agreement, including, without
limitation, those trademark license agreements and service mark license
agreements listed on Schedule B attached hereto and made a part hereof, together
with any goodwill connected with and symbolized by any such trademark license
agreements or service mark license agreements, and the right to prepare for sale
and sell any and all Inventory now or hereafter owned by Grantor and now or
hereafter covered by such licenses (all of the foregoing are hereinafter
referred to collectively as the "Licenses").

                                       2
<PAGE>   45

         SECTION 5. Restrictions on Future Agreements. Grantor will not, after
the date hereof, without the Administrative Agent's prior written consent, enter
into any agreement, including, without limitation, any license agreement, which
is inconsistent with this Agreement, and Grantor further agrees that it will not
take any action, and will use its reasonable commercial efforts not to permit
any action to be taken by others, including, without limitation, licensees, or
fail to take any action, which would in any respect affect the validity or
enforcement of the rights transferred to the Administrative Agent under this
Agreement or the rights associated with the Trademarks or Licenses.

         SECTION 6. New Trademarks and Licenses. Grantor represents and warrants
that, from and after the Closing Date, (a) the Trademarks listed on Schedule A
include all of the domestic trademarks, registered trademarks, trademark
applications, service marks, registered service marks and service mark
applications now owned or held by Grantor, (b) the Licenses listed on Schedule B
include all of the trademark license agreements and service mark license
agreements under which Grantor is the licensee or licensor and (c) no liens,
claims or security interests in such Trademarks and Licenses have been granted
by Grantor to any Person other than the Administrative Agent or to holders of
Permitted Existing Liens. If, prior to the termination of this Agreement,
Grantor shall (i) obtain rights to any new domestic trademarks, registered
trademarks, trademark applications, service marks, registered service marks or
service mark applications, (ii) become entitled to the benefit of any domestic
trademarks, registered trademarks, trademark applications, trademark licenses,
trademark license renewals, service marks, registered service marks, service
mark applications, service mark licenses or service mark license renewals
whether as licensee or licensor, or (iii) enter into any new trademark license
agreement or service mark license agreement, the provisions of Section 4 above
shall automatically apply thereto. Grantor shall give to the Administrative
Agent written notice of events described in clauses (i), (ii) and (iii) of the
preceding sentence promptly after the occurrence thereof, but in any event not
less frequently than on a quarterly basis. Grantor hereby authorizes the
Administrative Agent to modify this Agreement unilaterally (i) by amending
Schedule A to include any future domestic trademarks, registered trademarks,
trademark applications, service marks, registered service marks and service mark
applications and by amending Schedule B to include any future trademark license
agreements and service mark license agreements, which are Trademarks or Licenses
under Section 4 above or under this Section 6, and (ii) by filing, in addition
to and not in substitution for this Agreement, a duplicate original of this
Agreement containing on Schedule A or B thereto, as the case may be, such future
trademarks, registered trademarks, trademark applications, service marks,
registered service marks and service mark applications, and trademark license
agreements and service mark license agreements.

         SECTION 7. Royalties. Grantor hereby agrees that the use by the
Administrative Agent of the Trademarks and Licenses as authorized hereunder in
connection with the Administrative Agent's exercise of its rights and remedies
under Section 15 or pursuant to Section 17 of the Security Agreement shall be
coextensive with Grantor's rights thereunder and with respect thereto and

                                       3
<PAGE>   46

without any liability for royalties or other related charges from the
Administrative Agent or the other Holders of Secured Obligations to Grantor.

         SECTION 8. Right to Inspect; Further Assignments and Security
Interests. The Administrative Agent may at all reasonable times (and at any time
when an Unmatured Default or Default exists) have access to, examine, audit,
make copies (at Grantor's expense) and extracts from and inspect Grantor's
premises and examine Grantor's books, records and operations relating to the
Trademarks and Licenses; provided, that in conducting such inspections and
examinations, the Administrative Agent shall use reasonable efforts not to
disturb unnecessarily the conduct of Grantor's ordinary business operations.
From and during the continuance of a Default, Grantor agrees that the
Administrative Agent, or a conservator appointed by the Administrative Agent,
shall have the right to establish such reasonable additional product quality
controls as the Administrative Agent or such conservator, in its sole and
absolute judgment, may deem necessary to assure maintenance of the quality of
products sold by Grantor under the Trademarks and the Licenses or in connection
with which such Trademarks and Licenses are used. Grantor agrees (i) not to sell
or assign its respective interests in, or grant any license under, the
Trademarks or the Licenses without the prior and express written consent of the
Administrative Agent (which consent, prior to the occurrence and continuance of
a Default, shall not be unreasonably withheld), (ii) to maintain the quality of
such products as of the date hereof, and (iii) not to reduce the quality of such
products in any material respect without the Administrative Agent's prior and
express written consent.

         SECTION 9. Nature and Continuation of the Administrative Agent's
Security Interest; Termination of the Administrative Agent's Security Interest.
This Agreement is made for collateral security purposes only. This Agreement
shall create a continuing security interest in the Trademarks and Licenses and
shall terminate only when the Secured Obligations have been paid in full in cash
and the Credit Agreement and the Security Agreement have been terminated. When
this Agreement has terminated, the Administrative Agent shall promptly execute
and deliver to Grantor, at Grantor's expense, all termination statements and
other instruments as may be necessary or proper to terminate the Administrative
Agent's security interest in the Trademarks and the Licenses, subject to any
disposition thereof which may have been made by the Administrative Agent
pursuant to this Agreement or the Security Agreement.

         SECTION 10. Duties of Grantor. Grantor shall have the duty, to the
extent desirable in the normal conduct of Grantor's business and consistent with
the exercise of its reasonable business judgment, to: (i) prosecute diligently
any trademark application or service mark application that is part of the
Trademarks pending as of the date hereof or hereafter until the termination of
this Agreement, and (ii) make application for trademarks or service marks.
Grantor further agrees (i) not to abandon any Trademark or License unless the
Grantor reasonably determines that it is in its best interests to do so and such
abandonment will not materially impair Grantor's ability to maintain its
business in the ordinary course, and (ii) to use its reasonable commercial
efforts to maintain in full force and effect the Trademarks and the Licenses
that are or shall be necessary or economically desirable in the operation of
Grantor's business. Any expenses incurred in

                                       4
<PAGE>   47

connection with the foregoing shall be borne by Grantor. Neither the
Administrative Agent nor any of the Holders of Secured Obligations shall have
any duty with respect to the Trademarks and Licenses. Without limiting the
generality of the foregoing, neither the Administrative Agent nor any of the
Holders of Secured Obligations shall be under any obligation to take any steps
necessary to preserve rights in the Trademarks or Licenses against any other
parties, but the Administrative Agent may do so at its option from and after the
occurrence of a Default, and all expenses incurred in connection therewith shall
be for the sole account of Grantor and shall be added to the Secured Obligations
secured hereby.

         SECTION 11. The Administrative Agent's Right to Sue. From and after the
occurrence of a Default, the Administrative Agent shall have the right, but
shall not be obligated, to bring suit in its own name to enforce the Trademarks
and the Licenses and, if the Administrative Agent shall commence any such suit,
Grantor shall, at the request of the Administrative Agent, do any and all lawful
acts and execute any and all proper documents required by the Administrative
Agent in aid of such enforcement. Grantor shall, upon demand, promptly reimburse
the Administrative Agent for all costs and expenses incurred by the
Administrative Agent in the exercise of its rights under this Section 11
(including, without limitation, reasonable fees and expenses of attorneys and
paralegals for the Administrative Agent).

         SECTION 12. Waivers. The Administrative Agent's failure, at any time or
times hereafter, to require strict performance by Grantor of any provision of
this Agreement shall not waive, affect or diminish any right of the
Administrative Agent thereafter to demand strict compliance and performance
therewith nor shall any course of dealing between Grantor and the Administrative
Agent have such effect. No single or partial exercise of any right hereunder
shall preclude any other or further exercise thereof or the exercise of any
other right. None of the undertakings, agreements, warranties, covenants and
representations of Grantor contained in this Agreement shall be deemed to have
been suspended or waived by the Administrative Agent unless such suspension or
waiver is in writing signed by an officer of the Administrative Agent and
directed to Grantor specifying such suspension or waiver.

         SECTION 13. Severability. Whenever possible, each provision of this
Agreement shall be interpreted in such manner as to be effective and valid under
applicable law, but the provisions of this Agreement are severable, and if any
clause or provision shall be held invalid and unenforceable in whole or in part
in any jurisdiction, then such invalidity or unenforceability shall affect only
such clause or provision, or part hereof, in such jurisdiction, and shall not in
any manner affect such clause or provision in any other jurisdiction, or any
other clause or provision of this Agreement in any jurisdiction.

         SECTION 14. Modification. This Agreement cannot be altered, amended or
modified in any way, except as specifically provided in Section 6 hereof or by a
writing signed by the parties hereto.

         SECTION 15. Cumulative Remedies; Power of Attorney. Grantor hereby
irrevocably designates, constitutes and appoints the Administrative Agent (and
all Persons designated by the

                                       5
<PAGE>   48

Administrative Agent in its sole and absolute discretion) as Grantor's true and
lawful attorney-in-fact, and authorizes the Administrative Agent and any of the
Administrative Agent's designees, in Grantor's or the Administrative Agent's
name, to take any action and execute any instrument which the Administrative
Agent may deem necessary or advisable to accomplish the purposes of this
Agreement, including, without limitation, from and during the continuance of a
Default and the giving by the Administrative Agent of notice to Grantor of the
Administrative Agent's intention to enforce its rights and claims against
Grantor, to (i) endorse Grantor's name on all applications, documents, papers
and instruments necessary or desirable for the Administrative Agent in the use
of the Trademarks or the Licenses, (ii) assign, pledge, convey or otherwise
transfer title in or dispose of the Trademarks or the Licenses to anyone on
commercially reasonable terms, (iii) grant or issue any exclusive or
nonexclusive license under the Trademarks or, to the extent permitted, under the
Licenses, to anyone on commercially reasonable terms, and (iv) take any other
actions with respect to the Trademarks or the Licenses as the Administrative
Agent deems in its own or the Holders of Secured Obligations' best interest.
Grantor hereby ratifies all that such attorney shall lawfully do or cause to be
done by virtue hereof. This power of attorney is coupled with an interest and
shall be irrevocable until all of the Obligations shall have been paid in full
in cash and the Credit Agreement shall have been terminated. Grantor
acknowledges and agrees that this Agreement is not intended to limit or restrict
in any way the rights and remedies of the Administrative Agent or the other
Holders of Secured Obligations under the Security Agreement, but rather is
intended to facilitate the exercise of such rights and remedies.

                  The Administrative Agent shall have, in addition to all other
rights and remedies given it by the terms of this Agreement, all rights and
remedies allowed by law and the rights and remedies of a secured party under the
Uniform Commercial Code as enacted in any jurisdiction in which the Trademarks
or the Licenses may be located or deemed located. Upon the occurrence and during
the continuance of a Default and the election by the Administrative Agent to
exercise any of its remedies under Section 9-504 or Section 9-505 of the Uniform
Commercial Code with respect to the Trademarks and Licenses, Grantor agrees to
assign, convey and otherwise transfer title in and to the Trademarks and the
Licenses to the Administrative Agent or any transferee of the Administrative
Agent and to execute and deliver to the Administrative Agent or any such
transferee all such agreements, documents and instruments as may be necessary,
in the Administrative Agent's sole discretion, to effect such assignment,
conveyance and transfer. All of the Administrative Agent's rights and remedies
with respect to the Trademarks and the Licenses, whether established hereby, by
the Security Agreement, by any other agreements or by law, shall be cumulative
and may be exercised separately or concurrently. Notwithstanding anything set
forth herein to the contrary, it is hereby expressly agreed that upon the
occurrence and during the continuance of a Default, the Administrative Agent may
exercise any of the rights and remedies provided in this Agreement, the Security
Agreement and any of the other Loan Documents. Grantor agrees that any
notification of intended disposition of any of the Trademarks and Licenses
required by law shall be deemed reasonably and properly given if given at least
ten (10) days before such disposition.

                                       6
<PAGE>   49

         SECTION 16. Successors and Assigns. This Agreement shall be binding
upon Grantor and its successors and assigns, and shall inure to the benefit of
each of the Holders of Secured Obligations and its nominees, successors and
assigns. Grantor's successors and assigns shall include, without limitation, a
receiver, trustee or debtor-in-possession of or for Grantor; provided, however,
that Grantor shall not voluntarily assign or transfer its rights or obligations
hereunder without the Administrative Agent's prior written consent.

         SECTION 17. GOVERNING LAW. THIS AGREEMENT SHALL BE GOVERNED BY AND
CONSTRUED IN ACCORDANCE WITH THE INTERNAL LAWS (INCLUDING, WITHOUT LIMITATION
735 ILCS SECTION 105/5-1 ET SEQ., BUT OTHERWISE WITHOUT REGARD TO THE CONFLICT
OF LAWS PROVISIONS) OF THE STATE OF ILLINOIS, BUT GIVING EFFECT TO FEDERAL LAWS
APPLICABLE TO NATIONAL BANKS. ANY DISPUTE BETWEEN THE PLEDGOR AND THE
ADMINISTRATIVE AGENT OR ANY LENDER, OR ANY OTHER HOLDER OF SECURED OBLIGATIONS
ARISING OUT OF, CONNECTED WITH, RELATED TO, OR INCIDENTAL TO THE RELATIONSHIP
ESTABLISHED BETWEEN THEM IN CONNECTION WITH, THIS AGREEMENT, AND WHETHER ARISING
IN CONTRACT, TORT, EQUITY, OR OTHERWISE, SHALL BE RESOLVED IN ACCORDANCE WITH
THE INTERNAL LAWS (INCLUDING, WITHOUT LIMITATION, 735 ILCS SECTION 105/5-1 ET
SEQ., BUT OTHERWISE WITHOUT REGARD TO THE CONFLICTS OF LAWS PROVISIONS) OF THE
STATE OF ILLINOIS, BUT GIVING EFFECT TO FEDERAL LAWS APPLICABLE TO NATIONAL
BANKS.

         SECTION 18. CONSENT TO JURISDICTION; SERVICE OF PROCESS; JURY TRIAL.

         (a) EXCLUSIVE JURISDICTION. EXCEPT AS PROVIDED IN SUBSECTION (b), EACH
OF THE PARTIES HERETO AGREES THAT ALL DISPUTES AMONG THEM ARISING OUT OF,
CONNECTED WITH, RELATED TO, OR INCIDENTAL TO THE RELATIONSHIP ESTABLISHED AMONG
THEM IN CONNECTION WITH, THIS AGREEMENT OR ANY OF THE OTHER LOAN DOCUMENTS
WHETHER ARISING IN CONTRACT, TORT, EQUITY, OR OTHERWISE, SHALL BE RESOLVED
EXCLUSIVELY BY STATE OR FEDERAL COURTS LOCATED IN CHICAGO, ILLINOIS, BUT THE
PARTIES HERETO ACKNOWLEDGE THAT ANY APPEALS FROM THOSE COURTS MAY HAVE TO BE
HEARD BY A COURT LOCATED OUTSIDE OF CHICAGO, ILLINOIS. EACH OF THE PARTIES
HERETO WAIVES IN ALL DISPUTES BROUGHT PURSUANT TO THIS SUBSECTION (a) ANY
OBJECTION THAT IT MAY HAVE TO THE LOCATION OF THE COURT CONSIDERING THE DISPUTE.

         (b) OTHER JURISDICTIONS. THE GRANTOR AGREES THAT THE ADMINISTRATIVE
AGENT, ANY LENDER OR ANY OTHER HOLDER OF SECURED OBLIGATIONS SHALL HAVE THE
RIGHT TO PROCEED AGAINST THE GRANTOR OR ITS RESPECTIVE PROPERTY IN A COURT IN
ANY LOCATION TO ENABLE SUCH PERSON TO (1) OBTAIN PERSONAL JURISDICTION OVER SUCH
GRANTOR OR (2) REALIZE ON THE COLLATERAL GRANTED IN CONNECTION HEREWITH, OR (3)
IN

                                       7
<PAGE>   50

ORDER TO ENFORCE A JUDGMENT OR OTHER COURT ORDER ENTERED IN FAVOR OF SUCH
PERSON. THE GRANTOR AGREES THAT IT WILL NOT ASSERT ANY PERMISSIVE COUNTERCLAIMS
IN ANY PROCEEDING BROUGHT BY SUCH PERSON IN A LOCATION OUTSIDE OF ILLINOIS TO
REALIZE ON ANY SECURITY FOR THE OBLIGATIONS OR TO ENFORCE A JUDGMENT OR OTHER
COURT ORDER IN FAVOR OF SUCH PERSON; PROVIDED THAT THE GRANTOR'S RIGHT TO ASSERT
PERMISSIVE COUNTERCLAIMS IN STATE OR FEDERAL COURTS LOCATED IN CHICAGO, ILLINOIS
SHALL BE PRESERVED. THE GRANTOR WAIVES ANY OBJECTION THAT IT MAY HAVE TO THE
LOCATION OF THE COURT IN WHICH SUCH PERSON HAS COMMENCED A PROCEEDING DESCRIBED
IN THIS SUBSECTION (b).

         (c) VENUE. EACH OF THE LENDERS AND THE GRANTOR IRREVOCABLY WAIVES ANY
OBJECTION (INCLUDING, WITHOUT LIMITATION, ANY OBJECTION OF THE LAYING OF VENUE
OR BASED ON THE GROUNDS OF FORUM NON CONVENIENS) WHICH IT MAY NOW OR HEREAFTER
HAVE TO THE BRINGING OF ANY SUCH ACTION OR PROCEEDING WITH RESPECT TO THIS
AGREEMENT OR ANY OTHER INSTRUMENT, DOCUMENT OR AGREEMENT EXECUTED OR DELIVERED
IN CONNECTION HEREWITH IN ANY JURISDICTION SET FORTH ABOVE.

         (d) THE GRANTOR WAIVES PERSONAL SERVICE OF ANY PROCESS UPON IT AND
IRREVOCABLY APPOINTS CT CORPORATION, WITH OFFICES AT 208 SOUTH LASALLE STREET,
CHICAGO, ILLINOIS 60604, AS THE GRANTOR'S AGENT FOR THE PURPOSE OF ACCEPTING
SERVICE OF PROCESS ISSUED BY ANY COURT. NOTHING HEREIN SHALL IN ANY WAY BE
DEEMED TO LIMIT THE ABILITY OF THE ADMINISTRATIVE AGENT OR ANY LENDER TO SERVE
ANY SUCH WRITS, PROCESS OR SUMMONSES IN ANY OTHER MANNER PERMITTED BY APPLICABLE
LAW.

         (e) WAIVER OF JURY TRIAL. EACH OF THE PARTIES HERETO IRREVOCABLY WAIVES
ANY RIGHT TO HAVE A JURY PARTICIPATE IN RESOLVING ANY DISPUTE, WHETHER SOUNDING
IN CONTRACT, TORT, OR OTHERWISE, ARISING OUT OF, CONNECTED WITH, RELATED TO OR
INCIDENTAL TO THE RELATIONSHIP ESTABLISHED AMONG THEM IN CONNECTION WITH THIS
AGREEMENT OR ANY OTHER INSTRUMENT, DOCUMENT OR AGREEMENT EXECUTED OR DELIVERED
IN CONNECTION HEREWITH. EACH OF THE PARTIES HERETO AGREES AND CONSENTS THAT ANY
SUCH CLAIM, DEMAND, ACTION OR CAUSE OF ACTION SHALL BE DECIDED BY COURT TRIAL
WITHOUT A JURY AND THAT ANY PARTY HERETO MAY FILE AN ORIGINAL COUNTERPART OR A
COPY OF THIS AGREEMENT WITH ANY COURT AS WRITTEN EVIDENCE OF THE CONSENT OF THE
PARTIES HERETO TO THE WAIVER OF THEIR RIGHT TO TRIAL BY JURY.

         (f) WAIVER OF BOND. THE GRANTOR WAIVES THE POSTING OF ANY BOND
OTHERWISE REQUIRED OF ANY PARTY HERETO IN CONNECTION WITH ANY JUDICIAL PROCESS
OR PROCEEDING TO REALIZE ON THE COLLATERAL, ENFORCE

                                       8
<PAGE>   51

ANY JUDGMENT OR OTHER COURT ORDER ENTERED IN FAVOR OF SUCH PARTY, OR TO ENFORCE
BY SPECIFIC PERFORMANCE, TEMPORARY RESTRAINING ORDER, PRELIMINARY OR PERMANENT
INJUNCTION, THIS AGREEMENT OR ANY OTHER LOAN DOCUMENT.

         (g) ADVICE OF COUNSEL. EACH OF THE PARTIES REPRESENTS TO EACH OTHER
PARTY HERETO THAT IT HAS DISCUSSED THIS AGREEMENT AND, SPECIFICALLY, THE
PROVISIONS OF THIS SECTION 18, WITH ITS COUNSEL.

         SECTION 19. Notices. All notices or other communications hereunder
shall be given in the manner and to the address of the Parent Borrowers, in the
case of the Grantor, and to the address of the Administrative Agent, in each
case, as set forth in the Credit Agreement.

         SECTION 20. Section Titles. The section titles herein are for
convenience of reference only, and shall not affect in any way the
interpretation of any of the provisions hereof.

         SECTION 21. Execution in Counterparts. This Agreement may be executed
in any number of counterparts and by different parties hereto in separate
counterparts, each of which when so executed shall be deemed to be an original
and all of which taken together shall constitute one and the same agreement.

         SECTION 22. Merger. This Agreement represents the final agreement of
the Grantor and the Administrative Agent with respect to the matters contained
herein and may not be contradicted by evidence of prior or contemporaneous
agreements, or subsequent oral agreements, between the Grantor and the
Administrative Agent or any Holder of Secured Obligations

                                       9
<PAGE>   52

                  IN WITNESS WHEREOF, the parties hereto have duly executed this
Agreement as of the day and year first above written.

                                       METREX RESEARCH CORPORATION

                                       By:
                                          --------------------------------
                                       Name: Stephen J. Tomassi
                                       Title: Authorized Representative

ATTEST:

By:
   ---------------------------
   Title:

                                       Accepted and agreed to as of the day and
                                       year first above written.

                                       ABN AMRO BANK N.V.,
                                       as Administrative Agent

                                       By:
                                          --------------------------------
                                       Name:
                                       Title:

                                       By:
                                          --------------------------------
                                       Name:
                                       Title:

<PAGE>   53

                                   SCHEDULE A
                                       to
                          Trademark Security Agreement
                          Dated as of December 11, 2000

                                  See attached

<PAGE>   54

                                   SCHEDULE B
                                       to
                          Trademark Security Agreement
                          Dated as of December 11, 2000

                                  See attached

<PAGE>   55

STATE OF ILLINOIS          )
                           )  SS
COUNTY OF COOK             )

                  The foregoing Trademark Security Agreement was acknowledged
before me this 7th day of December, 2000, by Stephen J. Tomassi, an Authorized
Representative of Metrex Research Corporation, a Wisconsin corporation, on
behalf of such corporation.

                                       -------------------------------
                                       Notary Public
                                       Cook County, Illinois
                                       My commission expires: 12/15/02

<PAGE>   56

STATE OF ILLINOIS          )
                           )  SS
COUNTY OF COOK             )

                  The foregoing Trademark Security Agreement was acknowledged
before me this _____ day of December, 2000, by _________________________, a
________________________ and ______________________________, a
______________________________of ABN AMRO Bank N.V., on behalf of such
institution.

                                       --------------------------------
                                       Notary Public
                                       Cook County, Illinois
                                       My commission expires:
                                                             ----------<PAGE>   1
                                                                     EXHIBIT 4.9

This document was prepared by and after recording should be returned to:

James L. Marovitz
Sidley & Austin
Bank One Plaza
10 South Dearborn Street
Chicago, Illinois  60603

                         REAL ESTATE MORTGAGE, SECURITY
                         AGREEMENT, FINANCING STATEMENT
                       AND ASSIGNMENT OF RENTS AND LEASES

                  THIS REAL ESTATE MORTGAGE, SECURITY AGREEMENT, FINANCING
STATEMENT AND ASSIGNMENT OF RENTS AND LEASES ("Mortgage") entered into as of the
____ day of December, 2000, by METREX RESEARCH CORPORATION, a Wisconsin
corporation f/k/a Metrex Acquisition Company ("Mortgagor") having its principal
office at 10270 South Progress Way, Parker, Colorado 80134, in favor of ABN AMRO
BANK N.V. ("Mortgagee"), having its principal office at 135 South LaSalle
Street, Chicago, Illinois 60674, as contractual representative for its benefit
and for the benefit of the "Holders of Secured Obligations" as defined in that
certain Credit Agreement (as amended, restated, modified, supplemented or
substituted from time to time, the "Credit Agreement"), dated as of November 28,
2000, by and among Ormco Corporation, a Delaware corporation ("Ormco"), Sybron
Dental Management, Inc., a Delaware corporation ("SDM"), Kerr Corporation, a
Delaware corporation ("Kerr"), the Subsidiary Swing Line Borrowers from time to
time parties thereto (together jointly with Ormco, SDM and Kerr, the
"Borrowers"), Sybron Dental Specialties, Inc., a Delaware corporation, as the
Parent, The Chase Manhattan Bank, as Syndication Agent, First Union National
Bank, as Documentation Agent, Beneficiary and the institutions from time to time
parties thereto as Lenders. The term "Holders of Secured Obligations" shall
include those who are, and those who may hereafter become, parties to the Credit
Agreement in such capacity. Except as otherwise provided herein, all capitalized
terms used but not defined herein shall have the respective meanings given to
them in the Credit Agreement.

                                   WITNESSETH:

                  WHEREAS, pursuant to and upon satisfaction of the conditions
set forth in the Credit Agreement, the Mortgagee and Lenders have agreed to make
certain Term Loans and Revolving Loans to the Borrowers, and Mortgagee and
Lenders have agreed to extend certain other financial accommodations from time
to time to Borrowers, all in an aggregate principal amount not to exceed Four
Hundred Fifty Million and no/100 Dollars ($450,000,000.00); and

<PAGE>   2

                  WHEREAS, Mortgagor is a Subsidiary of one of the Borrowers and
will derive direct and indirect economic benefit from the Loans and financial
accommodations, and Mortgagor has executed and delivered to Mortgagee for the
benefit of the Lenders and the Holders of the Secured Obligations, a certain
Subsidiary Guaranty, dated as of even date herewith (as amended from time to
time, the "Guaranty"), pursuant to which Mortgagor has guaranteed the payment
and performance of the Obligations described in the Credit Agreement; and

                  WHEREAS, as a condition to Mortgagee and Lenders' extension of
such financial accommodations to the Borrowers including, without limitation,
the extension of Credit pursuant to the Credit Agreement, Mortgagee and Lenders
have required that Mortgagor enter into this Mortgage and grant to Mortgagee for
the benefit of the Lenders and the Holders of the Secured Obligations, the liens
and security interests referred to herein to secure (i) prompt and complete
payment and performance of all of Mortgagor's obligations under the Guaranty;
(ii) the payment of the principal amount of the Loans, together with interest
thereon; (iii) payment of all Reimbursement Obligations; (iv) payment of the
principal amount, together with interest thereon, of all present and future
advances of money made by Mortgagee or Lenders to Borrowers, or any of them,
including, without limitation, the reborrowing of principal previously repaid
pursuant to the Credit Agreement, as well as all other Secured Obligations of
Borrowers, or any of them, to Mortgagee or Holders of Secured Obligations; and
(v) other payment and performance obligations under this Mortgage (the aforesaid
Secured Obligations of Borrowers, or any of them, to Mortgagee or Lenders, plus
interest and other payment and performance obligations of the Mortgagor being
hereinafter referred to collectively as the "Liabilities");

                  WHEREAS, the Liabilities secured hereby shall not exceed an
aggregate principal amount, at any one time outstanding of Five Hundred Million
and no/100 Dollars ($500,000,000.00), provided, that the foregoing limitation
shall apply only to the lien upon the real property created by this Mortgage,
and it shall not in any manner limit, affect or impair any grant of a security
interest or other right in favor of the Mortgagee under the provisions of the
Credit Agreement or under any other security agreement at any time executed by
Mortgagor;

                  NOW, THEREFORE, in consideration of the premises contained
herein and to secure payment of the Liabilities and in consideration of One
Dollar ($1.00) in hand paid, the receipt and sufficiency whereof are hereby
acknowledged, Mortgagor does hereby grant, remise, release, alien, convey,
mortgage and warrant to Mortgagee, its successors and assigns, the following
described real estate (the "Land") in Douglas County, Colorado, and does further
grant a security interest to Mortgagee in all Mortgaged Property (as defined
below) as may be secured under the Uniform Commercial Code (the "Code") in
effect in the State of Colorado (the "State"):

                  See Exhibit A attached hereto and by this reference made a
part hereof for the legal description of the Land

which Land, together with all right, title and interest, if any, which Mortgagor
may now have or hereafter acquire in and to all improvements, buildings and
structures now or hereafter located thereon of every nature whatsoever, is
herein called the "Premises".

                                       2
<PAGE>   3

                  TOGETHER WITH all right, title and interest, if any, including
any after-acquired right, title and interest, and including any right of use or
occupancy, which Mortgagor may now have or hereafter acquire in and to (a) all
easements, rights of way, gores of land or any lands occupied by streets, ways,
alleys, passages, sewer rights, water courses, water rights and powers, and
public places adjoining said Land, and any other interests in property
constituting appurtenances to the Premises, or which hereafter shall in any way
belong, relate or be appurtenant thereto, (b) all hereditaments, gas, oil,
minerals, and easements, of every nature whatsoever, located in or on the
Premises and all other rights and privileges thereunto belonging or
appertaining, (c) all water, ditch, well and reservoir rights which are
appurtenant to or which have been used in connection with the Land, (d) all
development rights associated with the Land, whether previously or subsequently
transferred to the Land from other real property or now or hereafter susceptible
of transfer from such Land to other real property, (e) any land lying between
the boundaries of the Land and the center line of any adjacent street, road,
avenue or alley, whether opened or proposed, (f) all other or greater rights and
interests of every nature in the Mortgaged Property and in the possession or use
thereof and income therefrom, whether now owned or hereafter acquired by
Mortgagor and (g) all extensions, additions, improvements, betterments,
renewals, substitutions and replacements to, or of any of the rights and
interests described in subparagraphs (a) through (f) above (hereinafter the
"Property Rights.")

                  TOGETHER WITH all right, title and interest, if any, including
any after-acquired right, title and interest, and including any right of use or
occupancy, which Mortgagor may now or hereafter acquire in and to all fixtures
and appurtenances of every nature whatsoever now or hereafter located in, on or
attached to, and used or intended to be used in connection with, or with the
operation of, the Premises, including, but not limited to (a) all apparatus,
machinery and equipment of Mortgagor and (b) all extensions, additions,
improvements, betterments, renewals, substitutions and replacements to or of any
of the foregoing (the items described in the foregoing clauses (a) and (b) being
the "Fixtures"). It is mutually agreed, intended and declared that the Premises
and all of the Property Rights and Fixtures owned by Mortgagor (referred to
collectively herein as the "Real Property") shall, so far as permitted by law,
be deemed to form a part and parcel of the Land and for the purpose of this
Mortgage to be real estate and covered by this Mortgage. It is also agreed that
if any of the property herein mortgaged is of a nature so that a security
interest therein can be perfected under the Code in effect in the State, this
instrument shall constitute a security agreement, fixture filing and financing
statement, and Mortgagor agrees to execute, deliver and file or refile any
financing statement, continuation statement, or other instruments Mortgagee may
reasonably require from time to time to perfect or renew such security interest
under the Code. To the extent permitted by law, (i) all of the Fixtures are or
are to become fixtures on the Land and (ii) this instrument, upon recording or
registration in the real estate records of the proper office, shall constitute a
"fixture-filing" within the meaning of Sections 9-313 and 9-402 of the Code.
Subject to the terms and conditions of the Credit Agreement, the remedies for
any violation of the covenants, terms and conditions of the agreements herein
contained shall be as prescribed herein or by general law, or, as to that part
of the security in which a security interest may be perfected under the Code, by
the specific statutory consequences now or hereafter enacted and specified in
the Code, all at Mortgagee's sole election.

                                       3
<PAGE>   4

                  TOGETHER WITH all the estate, right, title and interest of the
Mortgagor in and to (i) all judgments, insurance proceeds, awards of damages and
settlements resulting from condemnation proceedings or the taking of the Real
Property, or any part thereof, under the power of eminent domain or for any
damage (whether caused by such taking or otherwise) to the Real Property, or any
part thereof, or to any rights appurtenant thereto, and all proceeds of any
sales or other dispositions of the Real Property or any part thereof; and
(except as otherwise provided herein or in the Credit Agreement) the Mortgagee
is hereby authorized to collect and receive said awards and proceeds and to give
proper receipts and acquittances therefor, and to apply the same as provided in
the Credit Agreement; and (ii) all contract rights, general intangibles, actions
and rights in action relating to the Real Property including, without
limitation, all rights to insurance proceeds and unearned premiums arising from
or relating to damage to the Real Property; and (iii) all proceeds, products,
replacements, additions, substitutions, renewals and accessions of and to the
Real Property. (The rights and interests described in this paragraph shall
hereinafter be called the "Intangibles".)

                  As additional security for the Liabilities secured hereby,
Mortgagor (i) does hereby pledge and assign to Mortgagee from and after the date
hereof (including any period of redemption), primarily and on a parity with the
Real Property, and not secondarily, all the rents, issues and profits of the
Real Property and all rents, issues, profits, revenues, royalties, bonuses,
rights and benefits due, payable or accruing (including all deposits of money as
advance rent, for security or as earnest money or as down payment for the
purchase of all or any part of the Real Property) (the "Rents") under any and
all present and future leases, contracts or other agreements relative to the
ownership or occupancy of all or any portion of the Real Property, and (ii)
except to the extent such a transfer or assignment is not permitted by the terms
thereof, does hereby transfer and assign to Mortgagee all such leases and
agreements (including all Mortgagor's rights under any contracts for the sale of
any portion of the Mortgaged Property and all revenues and royalties under any
oil, gas and mineral leases relating to the Real Property) (the "Leases").
Mortgagee hereby grants to Mortgagor the right to collect and use the Rents as
they become due and payable under the Leases, but not more than one (1) month in
advance thereof, unless an Event of Default (as hereinafter defined) shall have
occurred provided that the existence of such right shall not operate to
subordinate this assignment to any subsequent assignment, in whole or in part,
by Mortgagor, and any such subsequent assignment shall be subject to the rights
of the Mortgagee under this Mortgage. Mortgagor further agrees to execute and
deliver such assignments of leases or assignments of land sale contracts as
Mortgagee may from time to time request. In the event of an Event of Default (1)
the Mortgagor agrees, upon demand, to deliver to the Mortgagee all of the Leases
with such additional assignments thereof as the Mortgagee may request and agrees
that the Mortgagee may assume the management of the Real Property and collect
the Rents, applying the same upon the Liabilities in the manner provided in the
Credit Agreement, and (2) the Mortgagor hereby authorizes and directs all
tenants, purchasers or other persons occupying or otherwise acquiring any
interest in any part of the Real Property to pay the Rents due under the Leases
to the Mortgagee upon request of the Mortgagee. Mortgagor hereby appoints
Mortgagee as its true and lawful attorney in fact to manage said property and
collect the Rents, with full power to bring suit for collection of the Rents and
possession of the Real Property, giving and granting unto said Mortgagee and
unto its agent or attorney full power and authority to do and perform all and
every act and thing whatsoever requisite and necessary to be

                                       4
<PAGE>   5

done in the protection of the security hereby conveyed; provided, however, that
(i) this power of attorney and assignment of rents shall not be construed as an
obligation upon said Mortgagee to make or cause to be made any repairs that may
be needful or necessary and (ii) Mortgagee agrees that until such Event of
Default as aforesaid, Mortgagee shall permit Mortgagor to perform the
aforementioned management responsibilities. Upon Mortgagee's receipt of the
Rents, at Mortgagee's option, it may use the proceeds of the Rents to pay: (1)
reasonable charges for collection thereof, costs of necessary repairs and other
costs requisite and necessary during the continuance of this power of attorney
and assignment of rents, (2) general and special taxes, insurance premiums, and
(3) any or all of the Liabilities pursuant to the provisions of the Credit
Agreement. This power of attorney and assignment of rents shall be irrevocable
until this Mortgage shall have been satisfied and released of record and the
releasing of this Mortgage shall act as a revocation of this power of attorney
and assignment of rents. Mortgagee shall have and hereby expressly reserves the
right and privilege (but assumes no obligation) to demand, collect, sue for,
receive and recover the Rents, or any part thereof, now existing or hereafter
made, and apply the same in accordance with the provisions of the Credit
Agreement.

                  All of the property described above, and each item of property
therein described, not limited to but including the Land, the Premises, the
Property Rights, the Fixtures, the Real Property, the Intangibles, the Rents and
the Leases, is herein referred to as the "Mortgaged Property."

                  Nothing herein contained shall be construed as constituting
the Mortgagee a mortgagee-in-possession in the absence of the taking of actual
possession of the Mortgaged Property by the Mortgagee. Nothing contained in this
Mortgage shall be construed as imposing on Mortgagee any of the obligations of
the lessor under any Lease of the Mortgaged Property in the absence of an
explicit assumption thereof by Mortgagee. In the exercise of the powers herein
granted the Mortgagee, except as provided in the Credit Agreement, no liability
shall be asserted or enforced against the Mortgagee, all such liability being
expressly waived and released by Mortgagor.

                  TO HAVE AND TO HOLD the Mortgaged Property, properties, rights
and privileges hereby conveyed or assigned, or intended so to be, unto
Mortgagee, its beneficiaries, successors and assigns, forever for the uses and
purposes herein set forth. Mortgagor hereby releases and waives all rights under
and by virtue of the Homestead Exemption Laws, if any, of the State and
Mortgagor hereby covenants, represents and warrants that, at the time of the
ensealing and delivery of these presents, Mortgagor is well seised of the
Mortgaged Property in fee simple and with lawful authority to sell, assign,
convey and mortgage the Mortgaged Property, and that the title to the Mortgaged
Property is free and clear of all encumbrances, except as described on Exhibit B
attached hereto and made a part hereof, and that, except for the encumbrances
set forth on Exhibit B, Mortgagor will forever defend the same against all
lawful claims.

                  The following provisions shall also constitute an integral
part of this Mortgage:

                                       5
<PAGE>   6

                  1. Payment of Taxes on the Mortgage. Without limiting any of
the provisions of the Credit Agreement, Mortgagor agrees that, if the United
States or any department, agency or bureau thereof or if the State or any of its
subdivisions having jurisdiction shall at any time require documentary stamps to
be affixed to the Mortgage or shall levy, assess, or charge any tax, assessment
or imposition upon this Mortgage or the credit or indebtedness secured hereby or
the interest of Mortgagee in the Premises or upon Mortgagee by reason of or as
holder of any of the foregoing, then, Mortgagor shall pay for such documentary
stamps in the required amount and deliver them to Mortgagee or pay (or reimburse
Mortgagee for) such taxes, assessments or impositions. Mortgagor agrees to
exhibit to Mortgagee, at least annually and at any time upon request, official
receipts showing payment of all taxes, assessments and charges which Mortgagor
is required or elects to pay hereunder. Mortgagor agrees to indemnify Mortgagee
against liability on account of such documentary stamps, taxes, assessments or
impositions, whether such liability arises before or after payment of the
Liabilities and regardless of whether this Mortgage shall have been released.

                  2. Leases Affecting the Real Property. Mortgagor agrees
faithfully to perform all of its obligations under all present and future Leases
at any time assigned to Mortgagee as additional security, and to refrain from
any action or inaction which would result in termination of any such Leases or
in the diminution of the value thereof or of the Rents due thereunder. All
future lessees under any Lease made after the date of recording of this Mortgage
shall, at Mortgagee's option and without any further documentation, attorn to
Mortgagee as lessor if for any reason Mortgagee becomes lessor thereunder, and,
upon demand, pay rent to Mortgagee, and Mortgagee shall not be responsible under
such Lease for matters arising prior to Mortgagee becoming lessor thereunder.

                  3. Use of the Real Property. Mortgagor agrees that it shall
not permit the public to use the Real Property in any manner that might tend, in
Mortgagee's reasonable judgment, to impair Mortgagor's title to such property or
any portion thereof, or to make possible any claim or claims of easement by
prescription or of implied dedication to public use. Mortgagor shall not use or
permit the use of any part of the Real Property for an illegal purpose,
including, without limitation, the violation of any applicable environmental
laws, statutes, codes, regulations or practices.

                  4. Indemnification. Without limiting any indemnification
Mortgagor has granted in the Credit Agreement, Mortgagor agrees to indemnify and
hold harmless Mortgagee from and against any and all losses, suits, obligations,
fines, damages, judgments, penalties, claims, charges, costs and expenses
(including reasonable attorneys' and paralegals' fees, court costs and
disbursements) (collectively "Claims") which may be imposed on, incurred or paid
by or asserted against the Real Property by reason or on account of, or in
connection with (i) the construction, reconstruction or alteration of the Real
Property, (ii) any negligence or misconduct of Mortgagor, any lessee of the Real
Property, or any of their respective agents, contractors, subcontractors,
servants, employees, licensees or invitees, (iii) any accident, injury, death or
damage to any person or property occurring in, on or about the Real Property or
any street, drive, sidewalk, curb or passageway adjacent thereto, or (iv) any
other transaction arising out of or in any way connected with the Mortgaged
Property.

                                       6
<PAGE>   7

                  5. Insurance. Mortgagor shall, at its sole expense, obtain
for, deliver to, assign and maintain for the benefit of Mortgagee, until the
Liabilities are paid in full, insurance policies as specified in the Credit
Agreement. In the event of a casualty loss, the net insurance proceeds from such
insurance policies shall be paid and applied as specified in the Credit
Agreement.

                  6. Condemnation Awards. Mortgagor hereby assigns to Mortgagee,
as additional security, all awards of damage resulting from condemnation
proceedings or the taking of or injury to the Real Property for public use, and
Mortgagor agrees that the proceeds of all such awards shall be paid and applied
as specified in the Credit Agreement.

                  7. Remedies of Mortgagee. Subject to the provisions of the
Credit Agreement, upon the occurrence of a Default under the terms of the Credit
Agreement ("Event of Default"), or Mortgagor's failure to comply with any of the
covenants hereinafter set forth in Paragraph 23, in addition to any rights and
remedies provided for in the Credit Agreement, and to the extent permitted by
applicable law, the following provisions shall apply:

                  (a) Acceleration. All Liabilities shall, at the option of
Mortgagee, become immediately due and payable without presentment, demand or
further notice.

                  (b) Mortgagee's Power of Enforcement. It shall be lawful for
Mortgagee to (i) immediately sell the Mortgaged Property either in whole or in
separate parcels, as prescribed by the State law, under power of sale, which
power is hereby granted to Mortgagee to the full extent permitted by the State
law, and thereupon, to make and execute to any purchaser(s) thereof deeds of
conveyance pursuant to applicable law or (ii) immediately foreclose this
Mortgage by judicial action. The court in which any proceeding is pending for
the purpose of foreclosure of this Mortgage, or any other court of competent
jurisdiction, may, at once or at any time thereafter, either before or after
sale, without notice and without requiring bond, and without regard to the
solvency or insolvency of any person liable for payment of the Liabilities
secured hereby, and without regard to the then value of the Mortgaged Property
or the occupancy thereof as a homestead, appoint a receiver (the provisions for
the appointment of a receiver and assignment of rents being an express condition
upon which the Loan, hereby secured is made) for the benefit of Mortgagee, with
power to collect the Rents, due and to become due, during such foreclosure suit
and the full statutory period of redemption notwithstanding any redemption. The
receiver, out of the Rents when collected, may pay costs incurred in the
management and operation of the Real Property, prior and subordinate liens, if
any, and taxes, assessments, water and other utilities and insurance, then due
or thereafter accruing, and may make and pay for any necessary repairs to the
Real Property, and may pay all or any part of the Liabilities or other sums
secured hereby or any deficiency decree entered in such foreclosure proceedings.
Upon or at any time after the filing of a suit to foreclose this Mortgage, the
court in which such suit is filed shall have full power to enter an order
placing Mortgagee in possession of the Real Property with the same power granted
to a receiver pursuant to this subparagraph and with all other rights and
privileges of a mortgagee-in-possession under applicable law.

                  (c) Mortgagee's Right to Enter and Take Possession, Operate
and Apply Income. Mortgagee shall, at its option, have the right, acting through
its agents or attorneys, either with or without process of law, forcibly or
otherwise, to enter upon and take possession of the Real

                                       7
<PAGE>   8

Property, expel and remove any persons, goods, or chattels occupying or upon the
same, to collect or receive all the Rents, and to manage and control the same,
and to lease the same or any part thereof, from time to time, and, after
deducting all reasonable attorneys' fees and expenses, and all reasonable
expenses incurred in the protection, care, maintenance, management and operation
of the Real Property, distribute and apply the remaining net income in
accordance with the terms of the Credit Agreement or upon any deficiency decree
entered in any foreclosure proceedings.

                  8. Application of the Rents or Proceeds from Foreclosure or
Sale. In any foreclosure of this Mortgage by judicial action, or any sale of the
Mortgaged Property by advertisement, in addition to any of the terms and
provisions of the Credit Agreement and the Guaranty, there shall be allowed (and
included in the decree for sale in the event of a foreclosure by judicial
action) to be paid out of the Rents or the proceeds of such foreclosure
proceeding and/or sale:

                  (a) Liabilities. All of the Liabilities and other sums secured
hereby which then remain unpaid; and

                  (b) Other Advances. All other items advanced or paid by
Mortgagee pursuant to this Mortgage; and

                  (c) Costs, Fees and Other Expenses. All court costs,
reasonable attorneys' and paralegals' fees and expenses, appraiser's fees,
advertising costs, filing fees and transfer taxes, notice expenses, expenditures
for documentary and expert evidence, stenographer's charges, publication costs,
and costs (which may be estimated as to items to be expended after entry of the
decree) of procuring all abstracts of title, title searches and examinations,
title guarantees, title insurance policies, Torrens certificates and similar
data with respect to title which Mortgagee in the reasonable exercise of its
judgment may deem necessary. All such expenses shall become additional
Liabilities secured hereby when paid or incurred by Mortgagee in connection with
any proceedings, including but not limited to probate and bankruptcy
proceedings, to which Mortgagee shall be a party, either as plaintiff, claimant
or defendant, by reason of this Mortgage or any indebtedness hereby secured or
in connection with the preparations for the commencement of any suit for the
foreclosure, whether or not actually commenced, or sale by advertisement. The
proceeds of any sale (whether through a foreclosure proceeding or Mortgagee's
exercise of the power of sale) shall be distributed and applied in accordance
with the terms of the Credit Agreement.

                  9. Cumulative Remedies; Delay or Omission Not a Waiver. Each
remedy or right of Mortgagee shall not be exclusive of but shall be in addition
to every other remedy or right now or hereafter existing at law or in equity. No
delay in the exercise or omission to exercise any remedy or right accruing on
the occurrence or existence of any Event of Default shall impair any such remedy
or right or be construed to be a waiver of any such Event of Default or
acquiescence therein, nor shall it affect any subsequent Event of Default of the
same or different nature. Every such remedy or right may be exercised
concurrently or independently and when and as often as may be deemed expedient
by Mortgagee.

                  10. Mortgagee's Remedies against Multiple Parcels. If more
than one property, lot or parcel is covered by this Mortgage, and if this
Mortgage is foreclosed upon, or judgment is entered

                                       8
<PAGE>   9

upon any Liabilities secured hereby, or if Mortgagee exercises its power of
sale, execution may be made upon or Mortgagee may exercise its power of sale
against any one or more of the properties, lots or parcels and not upon the
others, or upon all of such properties or parcels, either together or
separately, and at different times or at the same time, and execution sales or
sales by advertisement may likewise be conducted separately or concurrently, in
each case at Mortgagee's election.

                  11. No Merger. In the event of a foreclosure of this Mortgage
or any other mortgage or deed of trust securing the Liabilities, the Liabilities
then due the Mortgagee shall not be merged into any decree of foreclosure
entered by the court, and Mortgagee may concurrently or subsequently seek to
foreclose one or more mortgages or deeds of trust which also secure said
Liabilities.

                  12. Notices. All notices and other communications provided to
any party hereto under this Deed shall be in writing or by telex or by facsimile
and addressed or delivered to such party at its address set forth below or at
such other address as may be designated by such party in a notice to the other
parties. Any notice, if mailed and properly addressed with postage prepaid,
shall be deemed given when received; any notice, if transmitted by telex or
facsimile, shall be deemed given when transmitted (answerback confirmed in the
case of telexes).

                  if to Mortgagor:

                           Metrex Research Corporation
                           c/o Sybron Dental Management, Inc.
                           1717 West Collins Avenue
                           Orange, California 92867
                           Attention: Treasurer/Vice President-Finance
                           Telecopy No.:  714/516-7696

                  with a copy to:

                           Quarles & Brady LLP
                           411 East Wisconsin Avenue
                           Milwaukee, Wisconsin 53202-4497
                           Attention:  David L. Bourne
                           Telecopy No.:  414/271-3552

                  if to Mortgagee:

                           ABN AMRO BANK N.V.
                           135 South LaSalle Street
                           Suite 625
                           Chicago, Illinois 60674-9135
                           Attention:  Wendy A. Eckelkamp
                           Telecopy No.:  312/606-8425

                  with a copy to:

                           Sidley & Austin
                           Bank One Plaza
                           10 South Dearborn Street
                           Chicago, Illinois  60603
                           Attn: Sara E. Bartlett
                           Telecopy No.: 312/853-7036

                                       9
<PAGE>   10

                  13. Extension of Payments. Mortgagor agrees that, without
affecting the liability of any person for payment of the Liabilities secured
hereby or affecting the lien of this Mortgage upon the Mortgaged Property or any
part thereof (other than persons or property explicitly released as a result of
the exercise by Mortgagee of its rights and privileges hereunder), Mortgagee may
at any time and from time to time, on request of the Mortgagor, without notice
to any person liable for payment of any Liabilities secured hereby, but
otherwise subject to the provisions of the Credit Agreement, extend the time, or
agree to alter or amend the terms of payment of such Liabilities. Mortgagor
further agrees that any part of the security herein described may be released
with or without consideration without affecting the remainder of the Liabilities
or the remainder of the security.

                  14. Governing Law. Mortgagor agrees that this Mortgage is to
be construed, governed and enforced in accordance with the laws of the State.
Wherever possible, each provision of this Mortgage shall be interpreted in such
manner as to be effective and valid under applicable law, but if any provision
of this Mortgage shall be prohibited by or invalid under applicable law, such
provision shall be ineffective only to the extent of such prohibition or
invalidity, without invalidating the remainder of such provision or the
remaining provisions of this Mortgage.

                  15. Satisfaction of Mortgage. Upon full payment of all the
Liabilities, at the time and in the manner provided in the Credit Agreement, or
upon satisfaction of the conditions set forth in the Credit Agreement for
release of the Mortgaged Property from this Mortgage, this conveyance or lien
shall be null and void and, upon demand therefor following such payment or
satisfaction of the conditions set forth in the Credit Agreement, a satisfaction
of mortgage or reconveyance of the Mortgaged Property shall promptly be provided
by Mortgagee to Mortgagor.

                  16. Successors and Assigns Included in Parties. This Mortgage
shall be binding upon the Mortgagor and upon the successors, assigns and vendees
of the Mortgagor and shall inure to the benefit of the Mortgagee's successors
and assigns; all references herein to the Mortgagor and to the Mortgagee shall
be deemed to include their successors and assigns. Mortgagor's successors and
assigns shall include, without limitation, a receiver, trustee or debtor in
possession of or for the Mortgagor. Wherever used, the singular number shall
include the plural, the plural shall include the singular, and the use of any
gender shall be applicable to all genders.

                  17. Waiver of Appraisement, Valuation, Stay, Extension and
Redemption Laws. Mortgagor agrees, to the full extent permitted by law, that at
all times following an Event of Default, neither Mortgagor nor anyone claiming
through or under it shall or will set up, claim or seek to take advantage of any
appraisement, valuation, stay, or extension laws now or hereafter in force, in
order to prevent or hinder the enforcement or foreclosure of this Mortgage or
the absolute sale of the Mortgaged Property or the final and absolute putting
into possession thereof,

                                       10
<PAGE>   11

immediately after such sale, of the purchaser thereat, and Mortgagor, for itself
and all who may at any time claim through or under it, hereby waives, to the
full extent that it may lawfully so do, the benefit of all such laws, and any
and all right to have the assets comprising the Mortgaged Property marshaled
upon any foreclosure of the lien hereof and agrees that Mortgagee or any court
having jurisdiction to foreclose such lien may sell the Mortgaged Property in
part or as an entirety. To the full extent permitted by law, Mortgagor hereby
waives any and all statutory or other rights of redemption from sale under any
order or decree of foreclosure of this Mortgage, on its own behalf and on behalf
of each and every person, acquiring any interest in or title to the Mortgaged
Property subsequent to the date hereof.

                  18. Interpretation with Other Documents. Notwithstanding
anything in this Mortgage to the contrary, in the event of a conflict or
inconsistency between the Mortgage and the Credit Agreement, the provisions of
the Credit Agreement shall govern, excepting, however, the governing law
provisions of this Mortgage to the extent such governing law provisions conflict
with those set forth in the Credit Agreement..

                  19. Future Advances. The parties hereto intend that, in
addition to any other debt or obligation secured hereby, this Mortgage shall
secure unpaid balances of the Loans and other such extensions of credit made
after this Mortgage is delivered to the Office of the Clerk and Recorder of
Douglas County, Colorado, whether made pursuant to an obligation of Mortgagee or
otherwise. Such Liabilities and other extensions of credit may or may not be
evidenced by notes executed pursuant to the Credit Agreement. All future
advances will have the same priority as the original advance.

                  20. Invalid Provisions to Affect No Others. In the event that
any of the covenants, agreements, terms or provisions contained in this Mortgage
shall be invalid, illegal or unenforceable in any respect, the validity of the
remaining covenants, agreements, terms or provisions contained herein or in the
Credit Agreement shall not be in any way affected, prejudiced or disturbed
thereby. In the event that the application of any of the covenants, agreements,
terms or provisions of this Mortgage is held to be invalid, illegal or
unenforceable, those covenants, agreements, terms and provisions shall not be in
any way affected, prejudiced or disturbed when otherwise applied.

                  21. Changes. Neither this Mortgage nor any term hereof may be
changed, waived, discharged or terminated orally, or by any action or inaction,
but only by an instrument in writing signed by the party against which
enforcement of the change, waiver, discharge or termination is sought. To the
extent permitted by law, any agreement hereafter made by Mortgagor and Mortgagee
relating to this Mortgage shall be superior to the rights of the holder of any
intervening lien or encumbrance.

                  22. Final Payment. The last payment of the Loans secured by
this Mortgage is November 28, 2007 unless accelerated as provided in the Credit
Agreement.

                  23. Additional Covenants. In addition to all other covenants
and agreements in this Mortgage, Mortgagor covenants and agrees as follows:

                                       11
<PAGE>   12

                  (a) To pay all principal, interest and other sums payable on
account of the Liabilities when due, as provided in the Credit Agreement.

                  (b) To perform all of Mortgagor's obligations hereunder and
under the Credit Agreement.

                  (c) To perform all of Mortgagor's obligations under the
Guaranty.

                  (d) To pay all taxes, assessments and other governmental
charges as provides in the Credit Agreement.

                  (e) To perform and comply with all covenants, conditions and
prohibitions required or Mortgagor in connection with any other encumbrances
affecting the Mortgaged Property.

                  (f) To maintain the Mortgaged Property in good condition and
repair and not commit or permit any waste with respect to the Mortgaged Property
and cause or permit any improvement on the Land to be removed, demolished or
materially altered, except as permitted in the Credit Agreement.

                  (g) To keep the Mortgaged Property free and clear of all liens
and claims of liens by contractors, subcontractors, mechanics, laborers,
materialmen and other such persons as provided in the Credit Agreement.

                  (h) Not to convey, lease or otherwise transfer, either
voluntary or involuntarily, the Mortgaged Property or any part thereof or
interest therein, except as permitted in the Credit Agreement.

                  (i) Not to create nor permit any prior lien or encumbrance
against the Mortgaged Property except as permitted in the Credit Agreement.

                  (j) To permit Mortgagee and any personal authorized by
Mortgagee to enter and inspect the Mortgaged Property at all reasonable times.

                  (k) Not to initiate, join in or consent to any change in
zoning ordinance or classification, any change in the "zone lot" or "zone lots"
(or similar zoning unit or units) presently affecting the Mortgaged Property,
any transfer or development rights, any change in any private restrictive
covenant, or any change in any other public or private restriction limiting or
defining the uses which may be made of the Mortgaged Property or any part
thereof, or cause or permit any discontinuance or abandonment of a permitted
nonconforming use under the applicable zoning laws without the written consent
of Mortgagee, except as otherwise provided in the Credit Agreement.

                  24. Time of Essence. Time is of the essence with respect to
the provisions of this Mortgage.

                  25. No Strict Construction. The parties hereto have
participated jointly in the negotiation and drafting of this Mortgage. In the
event an ambiguity or question of intent or

                                       12
<PAGE>   13

interpretation arises, this Mortgage shall be construed as if drafted jointly by
the parties hereto and no presumption or burden of proof shall arise favoring or
disfavoring any party by virtue of the authorship of any provisions of this
Mortgage.

                                       13
<PAGE>   14

                  IN WITNESS WHEREOF, this instrument is executed as of the day
and year first above written by the person or persons authorized to execute such
mortgage on behalf of Mortgagor (and said persons hereby represent that they
possess full power and authority to execute this instrument).

                  THE MORTGAGOR HEREBY DECLARES AND ACKNOWLEDGES THAT THE
MORTGAGOR HAS RECEIVED, WITHOUT CHARGE, A TRUE COPY OF THIS MORTGAGE.

                                      MORTGAGOR:

                                      METREX RESEARCH CORPORATION
                                      a Wisconsin corporation

                                      By
                                        -------------------------
                                      Type or Print
                                      Name:
                                           ----------------------
                                      Its
                                         ------------------------

<PAGE>   15

STATE OF _________ )
                   ) SS
COUNTY OF ________ )

                  The foregoing instrument was acknowledged before me this _____
day of December, 2000 by ___________________ as ___________ President of Metrex
Research Corporation, a Wisconsin corporation.

                  WITNESS my hand and official seal this _____day of
_______________, 2000

                                       ----------------------------------
                                       Notary Public

                                       My commission expires:

                                       ----------------------

[SEAL]

<PAGE>   16

                                    EXHIBIT A

                          Legal Description of the Land

<PAGE>   17

                                    EXHIBIT B

                          Permitted Exceptions to Title

                  Those title exceptions listed on title commitment KC47672BOO,
dated December _____, 2000, issued by First American Heritage Title Co. for the
property described on Exhibit a hereto.

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