Document:

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                                                                    EXHIBIT 10.5

                      ORTHODONTIC CENTERS OF AMERICA, INC.

                          CONVERSION INCENTIVE PROGRAM

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                      ORTHODONTIC CENTERS OF AMERICA, INC.
                          CONVERSION INCENTIVE PROGRAM

                                    PREAMBLE

         WHEREAS, Orthodontic Centers of America, Inc., a Delaware corporation
("OCA"), OCA Acquisition Corporation, a Delaware corporation and wholly-owned
subsidiary of OCA ("OCA Merger Sub"), and OrthAlliance, Inc., a Delaware
corporation ("OrthAlliance"), are parties to that certain Agreement and Plan of
Merger, dated as of May 16, 2001 (the "Merger Agreement"), among such parties,
pursuant to which OCA Merger Sub is to merge with and into OrthAlliance, with
OrthAlliance thereby becoming a wholly-owned subsidiary of OCA (the "Merger"),
subject to various conditions; and

         WHEREAS, OCA desires to establish a program through which OCA may grant
shares of its common stock, $.01 par value per share ("OCA Common Stock"), to
certain eligible individuals (each such eligible individual, a "Participant")
who are OrthAlliance Affiliated Practitioners and who timely execute and deliver
an OCA Business Services Agreement (each as defined below), subject to the terms
described herein and completion of the Merger;

         NOW, THEREFORE, OCA hereby establishes the Orthodontic Centers of
America, Inc. Conversion Incentive Program (the "Program").

                             ARTICLE I. ELIGIBILITY

         In order for any person to be eligible to be a Participant in the
Program, or to be granted shares of OCA Common Stock under the Program or any
Participation Agreement (as defined below), he or she must meet or comply with
each of the following:

1.1 Must Be an OrthAlliance Affiliated Practitioner. In order to be a
Participant in the Program and to be issued any shares of OCA Common Stock under
or pursuant to the Program or any Participation Agreement (as defined below), a
person must be a licensed orthodontist or pediatric dentist who both (i) owns,
beneficially and of record, shares of capital stock of, or partnership,
membership or other equity interests in, a professional corporation or other
professional entity (each, an "OrthAlliance Affiliated PC") that is a party to a
written long-term service, management service, consulting or similar long-term
agreement with OrthAlliance and/or a subsidiary thereof pursuant to which
OrthAlliance and/or its subsidiary is providing business management or
consulting services for such Participant's orthodontic or pediatric dental
practice in exchange for a consulting or service fee (each an "OrthAlliance
Service/Consulting Agreement"), and (ii) is a full-time employee as an
orthodontist or pediatric dentist, as applicable, of such OrthAlliance
Affiliated PC (each such person, an "OrthAlliance Affiliated Practitioner").
Each Participant must also be a party to a written employment agreement (each,
an "Employment Agreement") with his or her respective OrthAlliance Affiliated
PC, pursuant to which such Participant provides orthodontic or pediatric dental
services as a full-time employee of such OrthAlliance Affiliated PC.

1.2 Must Enter into New OCA Business Services Agreement. In order to be a
Participant in the Program and to be issued any shares of OCA Common Stock under
or pursuant to the Program or any Participation Agreement, an OrthAlliance
Affiliated Practitioner must also, along with his or her respective OrthAlliance
Affiliated PC, execute and deliver their respective OCA Business Services
Agreement (as defined below) no later than the earlier to occur of September 30,
2001 or the effective time of the Merger. In addition, if such OrthAlliance
Affiliated PC is partially owned by one or more other OrthAlliance Affiliated
Practitioners, then each of such other OrthAlliance Affiliated

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Practitioners must also execute and deliver their respective OCA Business
Services Agreement no later than the earlier to occur of September 30, 2001 or
the effective time of the Merger.

         For purposes of the Program, "OCA Business Services Agreement" means a
written long-term business services agreement among the OrthAlliance Affiliated
Practitioner, his or her respective OrthAlliance Affiliated PC and OrthAlliance
(or a subsidiary of OCA), in form and substance satisfactory to OCA and its
counsel and based on OCA's form of such agreement (including, without
limitation, the service fee, restrictive covenant and termination provisions
thereof), which agreement shall be in full force and effect upon and following
the effective time of the Merger, and pursuant to which OCA and/or its
subsidiary would provide business management or consulting services for such
OrthAlliance Affiliated Practitioner's orthodontic or pediatric dental practice
in exchange for a consulting or service fee.

1.3 No Litigation, Notice of Termination or Non-Compliance. An OrthAlliance
Affiliated Practitioner may not be a Participant in the Program, and will not be
issued any shares of OCA Common Stock under or pursuant to the Program or any
Participation Agreement, if:

         (a) Such OrthAlliance Affiliated Practitioner and/or his or her
OrthAlliance Affiliated PC is a party to any pending or threatened litigation or
other legal proceedings against or involving OrthAlliance, OCA or their
subsidiaries. If any such litigation or legal proceedings has been commenced or
threatened, such OrthAlliance Affiliated Practitioner may become a Participant
only if the same has been dismissed with prejudice or fully withdrawn in a
manner acceptable to OCA;

         (b) Such OrthAlliance Affiliated Practitioner and/or his or her
OrthAlliance Affiliated PC has threatened or given notice of termination or
intention to terminate their respective OrthAlliance Service/Consulting
Agreement. If any such notice has been threatened or given, such OrthAlliance
Affiliated Practitioner may become a Participant only if the same has been fully
withdrawn in a manner acceptable to OCA; and/or

         (c) Such OrthAlliance Affiliated Practitioner and/or his or her
OrthAlliance Affiliated PC is in default or breach of, or is not in compliance
with, their obligation to pay service or consulting fees under the applicable
OrthAlliance Service/Consulting Agreement.

         For purposes of the Program, "OrthAlliance Affiliated Practice" means
an orthodontic or pediatric dental practice that is owned by the OrthAlliance
Affiliated Practitioner or his or her respective OrthAlliance Affiliated PC, and
is the subject of an OrthAlliance Service/Consulting Agreement.

1.4 Must Execute Participation Agreement. In order to be a Participant in the
Program and to be issued shares of OCA Common Stock under or pursuant to the
Program or any Participation Agreement, an OrthAlliance Affiliated Practitioner
must execute and deliver to OCA, and OCA must have executed and delivered to
such OrthAlliance Affiliated Practitioner, a written participation agreement
with OCA (each, a "Participation Agreement"), which participation agreement
shall be in form and substance satisfactory to OCA and its counsel and in full
force and effect upon and following the effective time of the Merger, and shall
provide for such OrthAlliance Affiliated Practitioner's participation in the
Program subject to each of the terms and conditions set forth herein and in such
Participation Agreement.

1.5 Conditioned on Completion of the Merger. Participation in the Program, and
the issuance of any shares of OCA Common Stock or other awards under or pursuant
to the Program or any Participation Agreement, is expressly conditioned upon
completion of the Merger pursuant to the Merger Agreement. If the Merger
Agreement is voided or terminated (other than upon completion of the Merger),
OCA will thereupon and thereafter have no further obligations under the Program
or

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any Participation Agreement or otherwise with respect to the Program, any
Participation Agreement and any participation or awards thereunder, and any and
all awards under and participation in the Program shall thereupon automatically
terminate without any obligation or liability on the part of OCA or Affiliate
(as defined below) thereof.

1.6 Provision of Requested Information. In order to be a Participant in the
Program and to be issued shares of OCA Common Stock under or pursuant to the
Program or any Participation Agreement, an OrthAlliance Affiliated Practitioner
must provide OCA with any financial information that OCA reasonably requests in
order to determine the number of shares of OCA Common Stock, if any, to be
granted to the OrthAlliance Affiliated Practitioner under the Program.

                            ARTICLE II. STOCK AWARDS

2.1 Service Fee/Tenure Based Awards. Eligible Participants will be granted
shares of OCA Common Stock under the Program, subject to the terms and
conditions of the Program, in an amount equal to:

         (a)      Four,

                  TIMES

         (b)      The amount by which:

                  (i)      the Prior 12 Months Assumed Service Fees (as defined
                           below), with respect to such Participant,

                           EXCEED

                  (ii)     the Prior 12 Months Service Fees (as defined below),
                           with respect to such Participant,

                  DIVIDED BY

         (c)      The average closing price per share of OCA Common Stock as
                  reported on the New York Stock Exchange (or other stock
                  exchange or market on which shares of OCA Common Stock are
                  then principally traded) during the 10 trading days
                  immediately preceding the effective date of the Merger.

For purposes of the Program:

"Prior 12 Months Assumed Service Fees" means the amount of service or consulting
fees (excluding any amounts reimbursed, paid, earned or accrued with respect to
center expenses, operating and non-operating expenses incurred in the operation
of the applicable OrthAlliance Affiliated Practice or other expenses) that would
have been payable to OCA, its subsidiary or OrthAlliance, as applicable, by the
OrthAlliance Affiliated Practitioner or his or her OrthAlliance Affiliated PC
under the OCA Business Services Agreement during and with respect to the 12
calendar months immediately preceding the effective date of the Merger (assuming
that the OCA Business Services Agreement had been in effect during that period
and also assuming that the operating margin of the OrthAlliance Affiliated
Practice during that period was 5% higher than the actual operating margin for
that period).

"Prior 12 Months Service Fees" means the amount of service or consulting fees
(excluding any amounts reimbursed, paid, earned or accrued with respect to
center expenses, operating and non-

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operating expenses incurred in the operation of the applicable OrthAlliance
Affiliated Practice or other expenses) paid to OrthAlliance or its subsidiary by
the OrthAlliance Affiliated Practitioner or his or her OrthAlliance Affiliated
PC under the applicable OrthAlliance Service/Consulting Agreement during and
with respect to the 12 calendar months immediately preceding the effective date
of the Merger.

2.2 Pro Rata Basis for Practices with Multiple Owners. If a Participant's
OrthAlliance Affiliated PC is partially owned by one or more other OrthAlliance
Affiliated Practitioners, then the number of shares of OCA Common Stock granted
pursuant to Section 2.1 above for such Participant shall be calculated by
multiplying the number of shares of OCA Common Stock that would otherwise be
granted to such person pursuant to Section 2.1 by his or her percentage of
equity ownership of such OrthAlliance Affiliated PC.

2.3 Timing and Conditions of Grants. Shares of OCA Common Stock awarded under
the Program shall be issuable to Participants in four annual installments, as
follows:

         (a) For each Participant, one-fourth of the total number of shares of
OCA Common Stock (rounded to the nearest whole number) to be issued to such
Participant under the Program will be issued to such Participant following each
of the second, third, fourth and fifth anniversaries of the effective date of
the Merger if the amount of service or consulting fees (excluding any amounts
reimbursed, paid, earned or accrued with respect to center expenses, operating
and non-operating expenses incurred in the operation of the applicable
OrthAlliance Affiliated Practice or other expenses) paid to OCA or its
subsidiary by the Participant and/or his or her OrthAlliance Affiliated PC
during and with respect to the 12 calendar months immediately preceding that
particular anniversary pursuant to the applicable OCA Business Services
Agreement or OrthAlliance Service/Consulting Agreement ("Service Fees") is at
least 90% (the "90% Minimum Target") of the amount of Service Fees such
Participant and/or OrthAlliance Affiliated PC paid to OrthAlliance or its
subsidiary during and with respect to the 12 calendar months immediately
preceding the Merger.

         (b) However, if the 90% Minimum Target is not achieved in the 12
calendar month period immediately preceding the second, third or fourth
anniversary of the effective date of the Merger (each, an "Earlier Period), but
is achieved during the 12 calendar month period immediately preceding the third,
fourth or fifth, as applicable, anniversary of the effective date of the Merger
(each, a "Later Period"), then the installment of shares of OCA Common Stock
issuable with respect to such Earlier Period will be issued following such Later
Period.

2.4 Only Whole Shares. Only whole shares of OCA Common Stock will be issued or
awarded under the Program; no fractional shares shall be issued.

             ARTICLE III. ADJUSTMENT UPON CERTAIN CORPORATE CHANGES

3.1 Adjustments to Shares. The number of shares of OCA Common Stock subject to
an outstanding award of shares of OCA Common Stock granted to a Participant
under and pursuant to the Program shall be adjusted as the Committee (as defined
below) determines (in its sole discretion) to be appropriate, in the event that:

         (a) OCA or an Affiliate (as defined below) effects one or more stock
dividends, stock splits, reverse stock splits, subdivisions, consolidations or
other similar events;

         (b) OCA or an Affiliate engages in a transaction to which section 424
of the Code (as defined below) applies; or

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         (c) there occurs any other event which in the judgment of the Committee
necessitates such action.

For purposes of the Program:

                  (i) "Affiliate" means a "parent corporation, " as defined in
         section 424(e) of the Code, or "subsidiary corporation," as defined in
         section 424(f) of the Code, of OCA.

                  (ii) "Code" means the U.S. Internal Revenue Code of 1986, as
         amended.

3.2 No Adjustment upon Certain Transactions. The issuance by OCA of shares of
stock of any class, or securities convertible into shares of stock of any class,
for cash or property, or for labor or services rendered, either upon direct sale
or upon the exercise of rights or warrants to subscribe therefor, or upon
conversion of shares or obligations of OCA convertible into such shares or other
securities, shall not affect, and no adjustment by reason thereof shall be made
with respect to, outstanding awards.

                     ARTICLE IV. LEGAL COMPLIANCE CONDITIONS

4.1 General. No OCA Common Stock shall be issued under the Program except in
compliance with all federal or state laws and regulations (including, without
limitation, withholding tax requirements), federal and state securities laws and
regulations and the rules of all securities exchanges or self-regulatory
organizations on which OCA's shares may be listed. OCA shall have the right to
rely on an opinion of its counsel as to such compliance. Any certificate issued
to evidence shares of OCA Common Stock granted under the Program may bear such
legends and statements as the Committee upon advice of counsel may deem
advisable to assure compliance with federal or state laws and regulations. No
OCA Common Stock shall be issued and no certificate for shares shall be
delivered until OCA has obtained such consent or approval as the Committee may
deem advisable from any regulatory bodies having jurisdiction over such matters.

4.2 Representations by Participants. As a condition to the grant of an award or
the issuance of OCA Common Stock, OCA may require a Participant to represent and
warrant at the time of grant that the Participant does not have a present
intention to sell or distribute such shares. At the option of OCA, a stop
transfer order against any shares of stock may be placed on the official stock
books and records of OCA, and a legend indicating that the stock may not be
pledged, sold or otherwise transferred unless an opinion of counsel was provided
(concurred in by counsel for OCA) and stating that such transfer is not in
violation of any applicable law or regulation may be stamped on the stock
certificate in order to assure exemption from registration. The Committee may
also require such other action or agreement by the Participants as may from time
to time be necessary to comply with federal or state securities laws. This
provision shall not obligate OCA or any Affiliate to undertake registration of
stock hereunder.

                     ARTICLE V. ADMINISTRATION AND AMENDMENT

5.1 Administrative Committee. The Program shall be administered by a committee
composed of the chief executive officer and chief financial officer of OCA and
any other officer of OCA appointed to such committee by the chief executive
officer of OCA (the "Committee"). The express grant in the Program of any
specific power to the Committee shall not be construed as limiting any power or
authority of the Committee. Any decision made or action taken by the Committee
to administer the Program shall be final and conclusive. No member of the
Committee shall be liable for any act done in good faith with respect to the
Program or any Participation Agreement. In addition to all other authority
vested with the Committee under the Program, the Committee shall have complete
authority to:

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         (a) Interpret all provisions of the Program;

         (b) Prescribe the form of any Participation Agreement;

         (c) Make amendments to all Participation Agreements;

         (d) Adopt, amend, and rescind rules for Program administration; and

         (e) Make all determinations it deems advisable for the administration
of the Program.

5.2 Determination of Performance Standards. The authorities of the Committee
described in Section 5.1 include the full discretionary authority to make all
determinations regarding financial performance and related matters referenced in
the Program. Such matters include, but are not limited to, whether or not
Participants have achieved the standards of financial performance required to
receive awards OCA Common Stock. The Committee shall make such determinations by
reference to any data and information that it deems appropriate and, to the
extent that such information that is provided by a Participant is not otherwise
subject to disclosure, shall employ reasonable measures that are designed to
keep such information confidential.

5.3 Amendment. OCA may amend or terminate the Program at any time; provided,
however, an amendment that would have a material adverse effect on the rights of
a Participant under an outstanding award of OCA Common Stock is not valid with
respect to such award without the Participant's consent.

                         ARTICLE VI. GENERAL PROVISIONS

6.1 Unfunded Program. The Program shall be unfunded, and OCA shall not be
required to segregate any assets that may at any time be represented by grants
under the Program. Any liability of OCA to any person with respect to any grant
under the Program shall be based solely upon contractual obligations that may be
created hereunder. No such obligation of OCA shall be deemed to be secured by
any pledge of, or other encumbrance on, any property of OCA.

6.2 Rules of Construction. Headings are given to the articles and sections of
the Program solely as a convenience to facilitate reference. The masculine
gender when used herein refers to both masculine and feminine. The reference to
any statute, regulation or other provision of law shall be construed to refer to
any amendment to or successor of such provision of law.

6.3 Governing Law. The internal laws of the State of Louisiana (without regard
to the choice of law provisions of Louisiana) shall apply to all matters arising
under the Program, to the extent that federal law does not apply.

6.4 Federal Withholding Tax Requirements. To the extent that withholding is
required by law, at the time that OCA Common Stock is issued, the Participant
shall, upon notification of the amount due, pay to OCA amounts necessary to
satisfy applicable federal, state and local withholding tax requirements or
shall otherwise make arrangements satisfactory to OCA for such requirements.

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         IN WITNESS WHEREOF, the undersigned officer has executed this document
effective as of August 6, 2001.

                                    ORTHODONTIC CENTERS OF AMERICA, INC.

                                    By:    /s/ Bartholomew F. Palmisano, Sr.
                                       -----------------------------------------
                                           Bartholomew F. Palmisano, Sr.
                                           Chairman of the Board, President
                                              and Chief Executive Officer

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                                                                    EXHIBIT 10.6

                      ORTHODONTIC CENTERS OF AMERICA, INC.

                              DOCTORS TRUST PROGRAM

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                      ORTHODONTIC CENTERS OF AMERICA, INC.
                              DOCTORS TRUST PROGRAM

                                    PREAMBLE

         WHEREAS, Orthodontic Centers of America, Inc., a Delaware corporation
("OCA"), OCA Acquisition Corporation, a Delaware corporation and wholly-owned
subsidiary of OCA ("OCA Merger Sub"), and OrthAlliance, Inc., a Delaware
corporation ("OrthAlliance"), are parties to that certain Agreement and Plan of
Merger, dated as of May 16, 2001 (the "Merger Agreement"), among such parties,
pursuant to which OCA Merger Sub is to merge with and into OrthAlliance, with
OrthAlliance thereby becoming a wholly-owned subsidiary of OCA (the "Merger"),
subject to various conditions; and

         WHEREAS, OCA desires to establish a program through which OCA may grant
the right to purchase shares of its common stock, $.01 par value per share ("OCA
Common Stock"), at a fixed price ("Awards") to certain eligible individuals
(each such eligible individual, a "Participant") who are OrthAlliance Affiliated
Practitioners and who timely execute and deliver an OCA Business Services
Agreement (defined below), subject to the terms described herein and completion
of the Merger;

         NOW, THEREFORE, OCA hereby establishes the Orthodontic Centers of
America, Inc. Doctors Trust Program (the "Program"):

                             ARTICLE I. ELIGIBILITY

         In order for any person to be eligible to be a Participant in the
Program, or to be granted an Award or shares of OCA Common Stock under the
Program or any Participation Agreement (as defined below), he or she must meet
or comply with each of the following:

1.1 Must Be An OrthAlliance Affiliated Practitioner. In order to be a
Participant in the Program and to be issued Awards or shares of OCA Common Stock
under or pursuant to the Program or any Participation Agreement, a person must
be a licensed orthodontist or pediatric dentist who both (i) owns, beneficially
and of record, shares of capital stock of, or partnership, membership or other
equity interests in, a professional corporation or other professional entity
(each, an "OrthAlliance Affiliated PC") that is a party to a written long-term
service, management service, consulting or similar long-term agreement with
OrthAlliance and/or a subsidiary thereof pursuant to which OrthAlliance and/or
its subsidiary is providing business management or consulting services for such
Participant's orthodontic or pediatric dental practice in exchange for a
consulting or service fee (each an "OrthAlliance Service/Consulting Agreement"),
and (ii) is a full-time employee as an orthodontist or pediatric dentist, as
applicable, of such OrthAlliance Affiliated PC (each such person, an
"OrthAlliance Affiliated Practitioner"). Each Participant must also be a party
to a written employment agreement (each, an "Employment Agreement") with his or
her respective OrthAlliance Affiliated PC, pursuant to which such Participant
provides orthodontic or pediatric dental services as a full-time employee of
such OrthAlliance Affiliated PC.

1.2 Must Enter Into New OCA Business Services Agreement. In order to be a
Participant in the Program and to be issued any Awards or shares of OCA Common
Stock under or pursuant to the Program or any Participation Agreement, an
OrthAlliance Affiliated Practitioner must also, along with his or her respective
OrthAlliance Affiliated PC, execute and deliver their respective OCA Business
Services Agreement (as defined below), prior to the effective date of the
Merger. In addition, if such OrthAlliance Affiliated PC is partially owned by
one or more other OrthAlliance Affiliated Practitioners, then each of such other
OrthAlliance Affiliated Practitioners must also

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execute and deliver their respective OCA Business Services Agreement prior to
the effective time of the Merger.

         For purposes of the Program:

         "OCA Business Services Agreement" means a written long-term business
services agreement among the OrthAlliance Affiliated Practitioner, his or her
respective OrthAlliance Affiliated PC and OrthAlliance (or a subsidiary of OCA),
in form and substance satisfactory to OCA and its counsel and based on OCA's
form of such agreement (including, without limitation, the service fee,
restrictive covenant and termination provisions thereof), which agreement shall
be in full force and effect upon and following the effective time of the Merger,
and pursuant to which OCA and/or its subsidiary would provide business
management or consulting services for such OrthAlliance Affiliated
Practitioner's orthodontic or pediatric dental practice in exchange for a
consulting or service fee.

         "OrthAlliance Affiliated Practice" means an orthodontic or pediatric
dental practice that is owned by the OrthAlliance Affiliated Practitioner or his
or her respective OrthAlliance Affiliated PC, and is the subject of an
OrthAlliance Service/Consulting Agreement.

1.3 No Litigation, Notice of Termination or Non-Compliance. An OrthAlliance
Affiliated Practitioner may not be a Participant in the Program, and will not be
issued any Awards or shares of OCA Common Stock under or pursuant to the Program
or any Participation Agreement, if:

         (a) Such OrthAlliance Affiliated Practitioner and/or his or her
OrthAlliance Affiliated PC is a party to any pending or threatened litigation or
other legal proceedings against or involving OrthAlliance, OCA or their
subsidiaries. If any such litigation or legal proceedings has been commenced or
threatened, such OrthAlliance Affiliated Practitioner may become a Participant
only if the same has been dismissed with prejudice or fully withdrawn in a
manner acceptable to OCA;

         (b) Such OrthAlliance Affiliated Practitioner and/or his or her
OrthAlliance Affiliated PC has threatened or given notice of termination or
intention to terminate their respective OrthAlliance Service/Consulting
Agreement. If any such notice has been threatened or given, such OrthAlliance
Affiliated Practitioner may become a Participant only if the same has been fully
withdrawn in a manner acceptable to OCA; and/or

         (c) Such OrthAlliance Affiliated Practitioner and/or his or her
OrthAlliance Affiliated PC is in default or breach of, or is not in compliance
with, their obligation to pay service or consulting fees under the applicable
OrthAlliance Service/Consulting Agreement.

1.4 Must Execute Participation Agreement. In order to be a Participant in the
Program and to be issued Awards or shares of OCA Common Stock under or pursuant
to the Program or any Participation Agreement, an OrthAlliance Affiliated
Practitioner must execute and deliver to OCA, and OCA must have executed and
delivered to such OrthAlliance Affiliated Practitioner, a written participation
agreement with OCA (each, a "Participation Agreement"), which Participation
Agreement shall be in form and substance satisfactory to OCA and its counsel and
in full force and effect upon and following the effective time of the Merger,
and shall provide for such OrthAlliance Affiliated Practitioner's participation
in the Program subject to each of the terms and conditions set forth herein and
in such Participation Agreement.

1.5 Conditioned on Completion of the Merger. Participation in the Program, and
the issuance of any Awards or shares of OCA Common Stock under or pursuant to
the Program or any Participation Agreement, is expressly conditioned upon
completion of the Merger pursuant to the Merger Agreement. If the Merger
Agreement is voided or terminated (other than upon completion of the Merger),
OCA will thereupon and thereafter have no further obligations under the Program
or any

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Participation Agreement or otherwise with respect to the Program, any
Participation Agreement and any participation or Awards thereunder, and any and
all Awards under and participation in the Program shall thereupon automatically
terminate without any obligation or liability on the part of OCA or Affiliate
(as defined below) thereof.

                               ARTICLE II. AWARDS

2.1 Participation and Award Grants. Following the effective time of the Merger,
each eligible Participant shall be granted an Award that entitles the
Participant to purchase shares of OCA Common Stock from OCA, subject to the
terms and conditions of the Program, in an amount (rounded to the nearest whole
number) equal to the result of:

         (A)      $60,000,

                  DIVIDED BY

         (B)      The average closing sales price per share of the OCA Common
                  Stock as reported on the New York Stock Exchange (or other
                  stock exchange or market on which shares of OCA Common Stock
                  are then principally traded) during the 10 trading days
                  immediately prior to the effective date of the Merger.

Such shares of OCA Common Stock would be subject to forfeiture and/or certain
restrictions on transfer that are identified in the Program and the
Participation Agreement.

2.2 Method of Exercise of Award. An Award may be exercised, if at all, by a
Participant at anytime during the two year period ending on and including the
second anniversary of the effective date of the Merger, by giving written notice
of such exercise to the Chief Financial Officer of OCA and remitting to OCA the
first Purchase Price Installment (as defined below) in cash. An Award shall be
deemed to be exercised on the date that OCA's Chief Financial Officer receives
such written notice of exercise and OCA accepts tender of payment of such
Purchase Price Installment. An Award may not be exercised in part or for less
than the total number of shares of OCA Common Stock subject to such Award.

2.3 Purchase Price. A Participant who elects to exercise his or her rights under
an Award shall purchase the OCA Common Stock identified in the Award for the
aggregate purchase price (the "Purchase Price") of $40,000.

2.4 Payment of Purchase Price. The Purchase Price shall be paid by the
applicable Participant to OCA in 40 equal quarterly installments of $1,000 over
a period of 10 years (each, a "Purchase Price Installment"), without interest.
The first Purchase Price Installment shall be due and payable on or before the
second anniversary of the effective date of the Merger. Each successive Purchase
Price Installment shall be due and payable by the 15th calendar day following
the last day of each calendar quarter thereafter, until the Purchase Price is
paid in full. Any portion of the Purchase Price that is not previously paid
shall be immediately due and payable on the twelfth anniversary of the effective
date of the Merger. All payments of the Purchase Price shall be in cash. For
convenience, Purchase Price Installments shall be retained by OCA from funds
otherwise remittable to the Participant in respect of the applicable OCA
Business Services Agreement and collections thereunder; however, payment of the
Purchase Price shall be a full recourse obligation of the Participant, and shall
not reduce the amount of service, consulting or other fees or reimbursement
payable to OCA under or pursuant to such OCA Business Services Agreement. Any
Purchase Price Installments or portion thereof that are not paid to OCA when due
shall bear interest at the prime rate (as reported in the Wall Street Journal,
or if not available, a comparable authoritative source selected by OCA) plus
1.5% per annum until paid in full.

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2.5 Non-Transferability of Right to Purchase Shares. Awards granted under the
Program are not transferable. OCA Common Stock purchased pursuant to an Award is
subject to restrictions on transfer that are identified herein.

2.6 Issuance and Delivery of Shares. Shares of OCA Common Stock issued pursuant
to the exercise of an Award hereunder shall be issued and delivered to
Participants by OCA (or its transfer agent) in equal annual installments
following each of the eleventh through seventeenth anniversaries of the
effective date of the Merger, with one-seventh of the total number of such
shares to be issued following each such anniversary (rounded down to the nearest
whole share); provided, however, that no shares of OCA Common Stock shall be
issued hereunder unless and until all Purchase Price Installments payable on or
prior to such issuance have been paid to OCA in accordance with Section 2.4
above.

2.7 Shareholder Rights. No Participant shall have any rights as a shareholder
with respect to shares subject to Awards prior to the issuance thereto of shares
of OCA Common Stock pursuant to such Award.

2.8 Only Whole Shares. Only whole shares of OCA Common Stock will be issued or
awarded under the Program; no fractional shares shall be issued.

                   ARTICLE III. STOCK RIGHTS AND RESTRICTIONS

3.1 Restrictions on Transfer. Prior to the eleventh anniversary of the effective
date of the Merger, a Participant may not Transfer (as defined below) any shares
of OCA Common Stock acquired pursuant to, through or under an Award or the
Program. Beginning on the eleventh anniversary of the Merger, such Participant
may Transfer up to one-seventh of the total number of such shares of OCA Common
Stock so acquired, and on each of the twelfth through seventeenth anniversaries
of the effective date of the Merger, such Participant may Transfer up to an
additional one-seventh of the total number of such shares of OCA Common Stock so
acquired. Such increments shall be cumulative, so that such Participant may
Transfer all of such shares of OCA Common Stock so acquired upon and following
the seventeenth anniversary of the effective date of the Merger.

         For purposes of the Program, "Transfer" means any sale, transfer,
encumbrance, gift, donation, assignment, pledge, hypothecation, or other
disposition, whether similar or dissimilar to those previously enumerated,
whether voluntary or involuntary, and whether during the Participant's lifetime
or upon or after the Participant's death, including, but not limited to, any
disposition by operation of law, by court order, by judicial process, or by
foreclosure, levy, or attachment. Any attempted Transfer in violation of this
Section 3.1 shall be void.

3.2 Events of Forfeiture. Upon the occurrence of any of the following events
(each, an "Event of Forfeiture"), any and all unexercised Awards shall be
cancelled and forfeited, and any and all shares of OCA Common Stock that have
not then been issued to a Participant pursuant to Section 2.6 above, or become
eligible for Transfer pursuant to Section 3.1 above, shall be forfeited to OCA
and/or shall not be issued, and the related portion of such Award shall be
canceled and forfeited:

         (a) The Participant ceases to be employed full-time as an orthodontist
or pediatric dentist, as applicable, in his or her OrthAlliance Affiliated
Practice prior to the tenth anniversary of the Merger;

         (b) The Participant ceases to own an equity interest in his or her
OrthAlliance Affiliated PC prior to the tenth anniversary of the Merger;

                                       4
<PAGE>   6

         (c) The Participant's OCA Business Services Agreement terminates, or
the Participant ceases to be a party to such OCA Business Services Agreement;

         (d) The Participant and/or his or her OrthAlliance Affiliated PC fail
to utilize OCA's proprietary computer software and business systems in
connection with the business functions of their OrthAlliance Affiliated
Practice; and/or

         (e) The Participant and/or his or her OrthAlliance Affiliated PC fail
to comply with OCA's policies, procedures and systems, including a productive
working relationship with OCA's corporate office staff and other orthodontists
and dental professionals who are affiliated with OCA, fulfil his, her or their
financial obligations to OCA or its subsidiaries, or breach such OCA Business
Services Agreement.

Upon any such Event of Forfeiture, any Purchase Price Installments theretofore
paid to OCA by such Participant shall remain the property of OCA and shall not
be returned to such Participant, and any Purchase Price Installments that were
due and payable prior to such Event of Forfeiture shall remain due and payable
to OCA; however, the Participant shall not be obligated to pay any Purchase
Price Installments that first become due and payable after the date of such
Event of Forfeiture.

3.3 Retirement After Tenth Anniversary. Notwithstanding the forfeiture
provisions of Section 3.2, if, after the tenth anniversary of the effective date
of the Merger, a Participant retires from practice as an orthodontist or
pediatric dentist, as applicable, by transferring his or her OrthAlliance
Affiliated Practice to another orthodontist or pediatric dentist, as applicable,
acceptable to OCA who enters into a written agreement with OCA and such
Participant acceptable to OCA in which such other orthodontist or pediatric
dentist assumes all of the Participant's obligations under the applicable OCA
Business Services Agreement, it shall not be deemed to be an Event of Forfeiture
with respect to a Pro Rata Amount of Shares (as defined below), and such Pro
Rata Amount of Shares shall be issuable as provided in Section 2.6 above and
subject to the terms and conditions of the Program (provided, that the Award
shall be terminated with respect to the remaining number of shares subject to
such Award), if (a) at least through the tenth anniversary of the effective date
of the Merger, such Participant remains employed full-time as an orthodontist or
pediatric dentist, as applicable, in his or her respective OrthAlliance
Affiliated Practice, owns an equity interest in the OrthAlliance Affiliated PC
that is a party to the OCA Business Services Agreement, remains a party to an
OCA Business Services Agreement, and otherwise complies with the terms and
conditions of the Program and the respective Participation Agreement, and (b)
such Participant thereafter continues to comply with the provisions of any
applicable covenant not to compete or solicit, or other non-competition,
non-solicitation and/or confidentiality agreement or provision in or under the
applicable OCA Business Services Agreement or otherwise with OCA or its
subsidiary (collectively, the "Non-Competition Agreements "). In the event that
the Participant breaches any of the Non-Competition Agreements, any and all of
such shares of OCA Common Stock that have not then been issued to a Participant
pursuant to Section 2.6 above, or become eligible for Transfer pursuant to
Section 3.1 above, shall be forfeited to OCA and/or shall not be issued, and the
related portion of such Award shall be canceled and forfeited.

For purposes of the Program, "Pro Rata Amount of Shares" means a number of
shares of OCA Common Stock (rounded down to the nearest whole share) which
equals the same proportion of the total number of shares of OCA Common Stock
issuable to a Participant under or pursuant to his or her Award as the
proportion that the aggregate amount of Purchase Price Installments theretofore
paid to OCA by such Participant with respect to such shares bears to the total
Purchase Price for such shares.

                                       5
<PAGE>   7
3.4 Death or Disability. Notwithstanding the forfeiture provisions of Section
3.2, if a Participant dies or becomes disabled (and permanently ceases to
practice orthodontics or pediatric dentistry, as applicable), it shall not be
deemed to be an Event of Forfeiture with respect to a Pro Rata Amount of Shares,
and such Pro Rata Amount of Shares shall be issuable as provided in Section 2.6
above and subject to the terms and conditions of the Program (provided, that the
Award shall be terminated with respect to the remaining number of shares subject
to such Award), if such Participant thereafter continues to comply with the
provisions of any applicable Non-Competition Agreements. In the event that the
Participant breaches any of the Non-Competition Agreements, any and all of such
shares of OCA Common Stock that have not then been issued to a Participant
pursuant to Section 2.6 above, or become eligible for Transfer pursuant to
Section 3.1 above, shall be forfeited to OCA and/or shall not be issued, and the
related portion of such Award shall be canceled and forfeited.

3.5 Issuance to Professional Entity. Shares of OCA Common Stock issued under the
Program may, if requested in writing to OCA by a Participant, be issued to the
Participant's OrthAlliance Affiliated PC, rather than to the individual
Participant, if the OrthAlliance Affiliated PC executes and delivers to OCA a
Participation Agreement in which it agrees to become bound by, and take such
shares subject to, the terms and conditions of the Program (including, without
limitation, Sections 3.1 and 3.2), as if such shares were held by such
Participant. If the OrthAlliance Affiliated PC is conveyed to a successor
orthodontist or pediatric dentist, as applicable, acceptable to OCA and who
concurrently enters into a written agreement with OCA and such participant
acceptable to OCA in which such successor assumes all of such Participant's
obligations under the applicable OCA Business Services Agreement, such
conveyance shall not be deemed to be an Event of Forfeiture with respect to
shares of OCA Common Stock so issued to such OrthAlliance Affiliated PC
(provided, that the applicable Award shall be terminated with respect to any
unissued shares subject to such Award), and such shares may continue as an asset
of the OrthAlliance Affiliated PC under the ownership of the successor
practitioner, and shall be treated for purposes of the Program as if held by the
successor practitioner. For purposes of the years of employment or ownership in
Sections 3.2(a) and (b) and Section 3.4, such successor practitioner shall be
credited with the number of years (or portion thereof) completed by the
Participant transferring such OrthAlliance Affiliated PC prior to such transfer.

              ARTICLE IV. ADJUSTMENT UPON CERTAIN CORPORATE CHANGES

4.1 Adjustments to Shares. The number of shares of OCA Common Stock subject to
an outstanding Award shall be adjusted as the Committee (as defined below)
determines (in its sole discretion) to be appropriate, in the event that:

         (a) OCA or an Affiliate (as defined below) effects one or more stock
dividends, stock splits, reverse stock splits, subdivisions, consolidations or
other similar events;

         (b) OCA or an Affiliate engages in a transaction to which section 424
of the Code (as defined below) applies; or

         (c) there occurs any other event which in the judgment of the Committee
necessitates such action.

For purposes of the Program:

                  (i) "Affiliate" means a "parent corporation, " as defined in
         section 424(e) of the Code, or "subsidiary corporation," as defined in
         section 424(f) of the Code, of OCA.

                  (ii) "Code" means the U.S. Internal Revenue Code of 1986, as
         amended.

                                       6
<PAGE>   8
4.2 No Adjustment upon Certain Transactions. The issuance by OCA of shares of
stock of any class, or securities convertible into shares of stock of any class,
for cash or property, or for labor or services rendered, either upon direct sale
or upon the exercise of rights or warrants to subscribe therefor, or upon
conversion of shares or obligations of OCA convertible into such shares or other
securities, shall not affect, and no adjustment by reason thereof shall be made
with respect to, outstanding Awards.

                     ARTICLE V. LEGAL COMPLIANCE CONDITIONS

5.1 General. No Award shall be exercisable , no OCA Common Stock shall be
issued, no certificates for shares of OCA Common Stock shall be delivered, and
no payment shall be made under the Program or any Participation Agreement except
in compliance with all federal or state laws and regulations (including, without
limitation, withholding tax requirements), federal and state securities laws and
regulations and the rules of all securities exchanges or self-regulatory
organizations on which OCA's shares may be listed. OCA shall have the right to
rely on an opinion of its counsel as to such compliance. Any certificate issued
to evidence shares of OCA Common Stock for which an Award is exercised may bear
such legends and statements as the Committee upon advice of counsel may deem
advisable to assure compliance with federal or state laws and regulations. No
Award shall be exercisable, no OCA Common Stock shall be issued, no certificate
for shares shall be delivered and no payment shall be made under the Program or
any Participation Agreement until OCA has obtained such consent or approval as
the Committee may deem advisable from any regulatory bodies having jurisdiction
over such matters.

5.2 Representations by Participants. As a condition to the exercise of an Award,
OCA may require a Participant to represent and warrant at the time of any such
exercise that the shares are being purchased only for investment and without any
present intention to sell or distribute such shares. At the option of OCA, a
stop transfer order against any shares of stock may be placed on the official
stock books and records of OCA, and a legend indicating that the stock may not
be pledged, sold or otherwise transferred unless an opinion of counsel was
provided (concurred in by counsel for OCA) and stating that such transfer is not
in violation of any applicable law or regulation may be stamped on the stock
certificate in order to assure exemption from registration. The Committee may
also require such other action or agreement by the Participants as may from time
to time be necessary to comply with federal or state securities laws. This
provision shall not obligate OCA or any Affiliate to undertake registration of
options or stock hereunder.

                    ARTICLE VI. ADMINISTRATION AND AMENDMENT

6.1 Administrative Committee. The Program shall be administered by a committee
composed of the chief executive officer and chief financial officer of OCA and
any other officer of OCA appointed to such committee by the chief executive
officer of OCA (the "Committee"). The express grant in the Program of any
specific power to the Committee shall not be construed as limiting any power or
authority of the Committee. Any decision made or action taken by the Committee
to administer the Program shall be final and conclusive. No member of the
Committee shall be liable for any act done in good faith with respect to the
Program or any Participation Agreement or Award. In addition to all other
authority vested with the Committee under the Program, the Committee shall have
complete authority to:

         (a) Interpret all provisions of the Program;

         (b) Prescribe the form of any Participation Agreement;

         (c) Make amendments to all Participation Agreements;

                                       7
<PAGE>   9

         (d) Adopt, amend, and rescind rules for Program administration; and

         (e) Make all determinations it deems advisable for the administration
of the Program.

6.2 Amendment. OCA may amend or terminate the Program at any time; provided,
however, an amendment that would have a material adverse effect on the rights of
a Participant under an outstanding Award is not valid with respect to such Award
without the Participant's consent.

                         ARTICLE VII. GENERAL PROVISIONS

7.1 Unfunded Program. The Program, insofar as it provides for grants, shall be
unfunded, and OCA shall not be required to segregate any assets that may at any
time be represented by grants under the Program. Any liability of OCA to any
person with respect to any grant under the Program shall be based solely upon
contractual obligations that may be created hereunder. No such obligation of OCA
shall be deemed to be secured by any pledge of, or other encumbrance on, any
property of OCA.

7.2 Rules of Construction. Headings are given to the articles and sections of
the Program solely as a convenience to facilitate reference. The masculine
gender when used herein refers to both masculine and feminine. The reference to
any statute, regulation or other provision of law shall be construed to refer to
any amendment to or successor of such provision of law.

7.3 Governing Law. The internal laws of the State of Louisiana (without regard
to the choice of law provisions of Louisiana) shall apply to all matters arising
under the Program, to the extent that federal law does not apply.

7.4 Federal Withholding Tax Requirements. To the extent that withholding is
required by law, at the time that an Award is exercised, the Participant shall,
upon notification of the amount due, pay to OCA amounts necessary to satisfy
applicable federal, state and local withholding tax requirements or shall
otherwise make arrangements satisfactory to OCA for such requirements.

                                       8
<PAGE>   10
         IN WITNESS WHEREOF, the undersigned officer has executed this document
effective as of August 6, 2001.

                                    ORTHODONTIC CENTERS OF AMERICA, INC.

                                    By:  /s/ Bartholomew F. Palmisano, Sr.
                                       -----------------------------------------
                                         Bartholomew F. Palmisano, Sr.
                                         Chairman of the Board, President
                                            and Chief Executive Officer

                                       9

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