Worcester daily spy. [volume] (Worcester [Mass.]) 1850-1888, 1852-10-05

cnnati, Ohio.
Or. s.. 2. NJ xLLER,
(Sole Proprietor for Worcester County,)
having subjected The above plan Inserting Teeth to
tests, both and of the mouth and hay ing
eral (alf and whole in actual seruce which give
entire satisfaction has adopted it in his practice, and is
prepared to recommend to public confidence; the more
So from the unqualified expressions of preference, and
confident assurance gifts superiority block Teeth
gold plates, by persons who have tried both Pure Pla
mum is used instead of gold the latter heng necessarily
aoyed with silver and copper, fuses readily for the
purpose Platinum is not acted upon by the fluids of
the mouth consequently is free from the metallic (sa.
vanc) taste often complained of in the of fine gold
This method OF Betng Teeth has been npefatioIl in
this Office Tor several months bat pUbic notice has been
delayed TO afford ample opportunity of comparing il
horoWghiy with every other known aud popular node
and also not 10 excite public e&pecatioH without jus.
fiable basis Its comparative advantages in the
structon Of half or whole sets, the atmospheric
pressure principle will he demonstrated upon applic-
ton Among them are the following viz
me gum IS con nuous, presenting IN one entire piece
without seam JOINT, most beautiful liieKe appear
ance They are with ease, and retained
with greater hTmneSs, there beng no Wrapping OF the
plate in soldering process which, invariably, podu
ces more or less sprngng of gold plates. and in pros
portion extent impairs the suction and often rem
ders an otherwise successful denture complete failure
They easily kept ctean, by the fusion the
material to the teeth and plate the fluids of the outh
and particles of food entirely excluded from between
them. Also, repaired with greater facility, and
Tess expense to the patient than ordinary block teeth
when broken by accident.
Persons preerrmg block teeth however, gold plates
can have them OF superior quality, every respect,
heretofore Having superior facilities for the manuiac
OF mineral teeih and especially for the Style
of work, and an
Experienced Assistant
in the different departments applicants will be served
short notice.
In regard to the of platinum for dental purposes
Prot Ghace Prolessor of Chemistry liroa,sa
L. as follows: 80, 10 1880
wgsod TNhE d ALL rs ,a asDS
may be employed with safety health in dental opera
tons, have hesitation in giving affirmative
swer. Iii of the most naitackable substances in
nature. Although resembling silver in appearance, il
has twice the density OF that metal and differs
kaby from it in nearly all its ysca and chemical prop
critics. Only Of the known acids-the nitro niurat-
c and the nitro hydroluorc-h any effect upon il,
both OF which dissolve gold with greater facility
Neither platinum nor gold, when pure, at all acted
upon by the fluids of the mouth and consequently can
exert preudcia influence upon the when used
in the filing or fastening OF teeth AS the former, how
is found in and the arts unaduera.
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 safer than
the use Of gold unless 1t has Immediately from
the hands OF the assayist Yours SC,
GEO. l. CHACE, Professor of Chemistry.
Messrs. A. @. Hawkes. 4 Brother
Office, l42 Main street residence, No. Harvard st.
Worcester, May 2Sth, 1852. VISIT