, 1881-09-17
MODERN DENTISTRY.

History Of Its Dovelopnient-rne In-
venftoti vi Valuable gsiHtrlminnts-
MsnEfnelHrlhE Tseil-5,tErerent ata-
terln1s filnp1oycd-The Usc of Anms.
tilriics.
;Nt,s rnrk Tribune.
The days Wien hcttists were BARRIERS and
amateur slirgrons combining the art of
sliavlEV a1nt .upping with thas pi ex-
tractng teeth. have happily long
passed. During tho last fifteen years
dentistry Inns ,nadc great progress.
The mechanical appliances for dental
work III its manifold forms nre many and
complex, aid very lfttlu Improvement in TINT
direction II now fooked for BY tic profession.
f"wa'lays tuntista must do graduateti from
dental colleges ulul obtain diplomas beforc
bractt:tng. Tflfs comparatively recent de-
parlure must have II beneficial effect Dn the
standing of the profession In this city, which
now, numbers nhout 400 members. The
dentist Of tntlny. 1,as 10 kn0w something Of
anatomy and physiology. In addition, to his
speclRIty.
Less tl,an a Eene,ntion aao q hand.burr
Mss e1s1 o. pc1y anr ee te His r
phse, was clumsy aid tennired patience and
strength Ui the mart of operator hid subject.
W!ieil the plieultnsIc engine WIS Invented
with rotattng burr attachment It was con
metfiou. It was nOtsy Instrument,
however, atla was suppIanted later by
dental elRtne. the invention Ut II 81. Louis
dentist, whlS:, s 's rssartted as olle Of tho
age: A itrxlble tube cUnnects. the burr
With the eNplmr. Which Is worked with the
foot The rotating burr can be applied 10
my toot!l will, eInal facllity, and performs
rnp.lIty al.d tnlicacy., The rubber dam is an
Invention useful fur keeping the teeth dry
during the process Of filling BY means Of q
clanfb al!d tarreT's the rubber is placed aho't
white il is syuostd for ttti!ng. In the use OF
crystal gold It ~ very Important that no
moisture reaches 1t IN Its crystAlllzed state,
otherwise II will lose It's cotieslvcncss
for c"I,rnsirs sali foit 81 in II cavities. s Rapld
blows are Eive, to the cavftfes by means OF
electricity. There Is also IN automatic mallet
for II 6inlllAr PURPOSE, BY WHICH the gold fol!
sSssS y IL aSifts asS s Stsaa a
easily be regulated in the body Of the lnstru-
n,ent. An engine ,nailct Is, also
ss ;, Sy e Te7a!tors ros fSr son1cnslnE
tiown by decay. Tho root IS cit down and
the porcelain crown IL attacllctl with n 1ne-
tallls pivot; The advocates Ct Tho "tootfl
sst s%s e s tses nc n AZ hs WI pf BE- n" dla% SSe Te TeY
iy il necessary 70 n.uloye them. and that tsir
disease! condition ca1l usually bo cured and
thu teeth saved. When tooth Is deceyea to
The Eun its usefulness .ts restored By this
process by the Slipping Of a gt.td cap over the
root a1ld the attachment Of porcelain
cfOWit.
:, The way the tooth crown ts applied may be
not long ago. The tooth was brpken.dowr
bicuspitl OH the left site Of the upper jaw.
The external half OF the tooth had split OFT
and a portion Of the inner cusp wns also
thc crown was eut on ,.early even with the
gum, and narrow bnnd Or collar was fitted
accurately around the stump Which passed
under the gum and pnt of sight. To this
soIder ] 's shs Hs parcelsi "' facs, C wi!sh was S
u1atlc By uslug n slMall plate tooth. The inner
cusp was restored by making 1t u hollow
shell OF gold. Tho face md shell were
iiica viii oxyciliorl,ls paste and screw
passed through tho crown into the ront. TIM
cOIlar surrounded the root A,ld pissed under
the gnlll, protecting tie stump lnnger 1t IL
yaas Sai a a sotus, u sy He5 oow nss sere% IS .
serted into the r0nt, which In turn becomes
nut and receives The screw hfterwaEd passed
through the crown.
In tile manufacture of teeth the use Of
gum has iliany advocates PlRtlnn IL tho
only metal tliat can withstand The heat
necessary to fuse thn gum Oil the plate. ALI
other improvement In this praneh Of dental
being, Of ono material: CoIlrlold has been
substituted 1t, place Of rubber. which Is very
Injurious to many mouths. On sntlie. rubber
has no bad effect, WHILE cue mouths q others
the preference Is given to guild as tilltng for
teeth. 4 composition Filling may. answer
where tho cavities aro large and tie teet1!
are not expected 10 bo retnlned long, and
njNlj4 }u hut
for teeth that nre to be saved gold Is essen-
tial.
lii the extracting of teeth a revolution Inns
taken piace within seventeen years For
profession i0r ttlts work were. chloroforn
nlttl ether. So many ncc!acnls, however, oc-
CURED with the use ofvhlorotorm that It has
been almost elltlroly abandoned by dentists.
agreeable, and accidents solnetl.iles occur !p
It's use. Ether frequently makes patients
deathlY sick. from tho. effects Of which
they 10 not recover for several days.
tIiely takes the place OF other an;esthstics
both. In this country and Europe. 4
well known dentist sald to q Tribune report
or recently: ~ intrpdnced tho gus to tho
sp II vetE sy ' III !of te sI ysat at
| Ind good thing and STUCK 10 It, and the
tavor. Gi Feb. I, ls4, bogal to .ask my
fAtat1liS hltVk NFe!HkluMo ~ Nl4k9 BtANlCS
On a scroll. This number OF such names Is
nuw lS},O00. md never lInll All accident.
The great trouble. with dentists III giving tho
Els ordinarily is TINT n,any who use II have
lltt!o extracting 10 do. THO make MP il natoh
Ut gas, mud utter Ill operation eaRnot afford
10 throw II away, and It loses strength
utter willie aud llAs lO pfGct On phtlunt.
Il lnnn weighing 4W pDtllltts sanu to MO uhc
clsewlyrc, mud The urcrnti0n Df extracting
Its tspth ,vas nevertheless II ,paintul Gnu. T
tol4 l'!,n thnt the Ens M,tst have been stale
teeth thell that t.e wisltMl lnu to extrnct,
did SD ,aftcr administering tue sas. On
awakening after the operation his .rst rp-
lAark was: 'lli,ln't hear snMetasly singing
rlnaiorss' YOU sec that II nj, insufficient
quantity Ut gas Is Administered tho operation
il lnaue more painful, for tits first effect OF
az a,titsslsaslo ls Ia Increase nervous se,isl-
hIlity."
"lIaye you ever administered tho gas to
PERSONS trntlbiel with heart disease .'' nskMl
tile reporter.
/ liave given 1t to twenty OF thirty per-
SONY who l,uh yalyu[nr disease Of the heart
tte ns,st surLouS form Ut tho stEsoase. nm
mt ntral.l Ut tho effect of the gas, but the OK
ri nfs I I'm n1x admin