Worcester daily spy. [volume] (Worcester [Mass.]) 1850-1888, 1852-07-31

cinnati, Ohio.
DR.. s.P. MILLER
(Sole Proprietor for Worcester County,)
having subjected the above plan oinserting Teeth to
tests both and of the mouth and having sew.
eral sets a and whole in qctui service, which give
entire satisfaction, has adopted in his practice, ano IL
prepared recommend il public condolences the more
So from the unqualified expressions of preference, and
ent superiority over block Teeth on
gold plates by persons VIII have tried both Pure Plal
used instead Of gold the latter being necessarily
aoytd with silver and "copper" fuses too readily for the
purpose. Platinum is OF acted upon by the fluids Of
the mouth consequently is free from the me aic (ga-
vanic) taste often OF in the use OF INT gd
his method oil setting Tech has been i'll operation in
this Office several months but public notice has been
delayed afford ample opportunity Of comparing It
TIM oughfy with every other known AID popular mode,
and aso, not excite public pectatioH without JUS
table blss Its comparative advantages in the cOu-
strucron o hslf or whole sets. upon the atmospheric
pressure principle, will he demonstrated upon applca
ton. Among them the Glowing, viz -:
The gum con innous, presenting in one entire piece
without seam on JOINT most beautiful Iieke appear.
ance. hey with more and retained
with greater frmReSs, there beng no Wrapping OF the
plate in soldering, process which, Invariably. produ
ces more or less springins OF gold pa'es and IN pro-
portion TO lis extent mpars the suction AMI often rem
dgTs otherwise successful d. nture complete failure.
Tnev esy Kept clean as by the fusion OF the
material to the teeth aud plate the fluids of The mouth
and particles Of iooi enre excluded from between
them. Also, are repaired with greater lacility and
Tess expense TO he plieni than ordinary block teeth,
when broken BY accdent.
Persons preferrIg bloc teeth however, on gold plates,
can have them, superior qualitr, every respect, as
heretofore. Having uperior facilities for the nanuiae
of mineral teeth. and especially, for the style
of tU0rk, and an
Experienced Assistant
the different departments, applicants will be served
at short notice.
In regard to the of plrtinnm for dental purposes
Prof. Chace, Professor of Chemistry in Brown UNIVERSE
ty to DR. Halves and brother, OF Providence, R.
l., as follows:
BRowN UNIVERSITY, Anil 10, 1859.
GENTLEMEN:Tn yonr inquiry whether platinum
may be employed with safety TO health in dental opera
tiOns, have no hesitation in giving affirm tive
Ii of the most inaitackabe substances in
Although Resembling silver in appearance, it
has twice the density that metal, and differs
kably om nearly all It's ply and chemlc a prop
critics. MY two Of the Known acids-the miro uuriat
c and the nitro hydU-ilnorichave any effect upon il,
both OF which dissolve gold wiz greater facility
Neither platinum gold when pure, at all acted
upon by the fluids of The mouth, and consequently can
exert pejadic Influence upon system when used
IN the filling fastening Of teeth. AS the former, how
ever is found in commerce and the arts uadultera
ted state only, while the latter is with alleged in
every proportion with the baser metals the employ
ment of platinum may always be regarded as safer than
the use OF gold, unless it has Immediately from
the hands OF the assayist. Yours, q c.,
GEO. l. CHACE, Piofes sor Of Chemistry.
Messrs. A. e. Hawkes. & Brother
Office, l42 Main ST. eet residence No. Harvard st.
Worcester, May 25h, 1852, dawstf