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400 THE TECHNICAL PROCEDUEES IN FILLING TEETH.

Proximal cavities in incisors and cuspids chamber, opening of, preparatory to r«-
which do require the restoration of moval of, 368.
the incisal angle (Class 4), prepara-
in bicuspids and molars, 370, 379.
tion of, 191.
in incisors and cuspids, 370, 378.
anchorage by forming a step in incisal
in mesial cavities in molars, 370.
edge, 194. in occlusal cavities in molars, 369.
by undercutting incisal edge, 193.
in sound teeth, 48, 377.
in the pulp chamber, 196.
means of studying forms of, 104.
iridio-platinum post in root canal, variations in forms of, 376.
197. cleaning canals, 380.
avoid appearance of sharp angles in cleaning infected canals, 380.
cavity outlines, 190. cocain, anesthetizing with, 366.
choice of plans, general statement of, cases in which pulp is exposed, 366.
192. cases in which pulp is not exposed,
conditions that may present, 191. 367.
danger of death of pulp on account of danger of death of, from thermal
thermal changes. 196.
changes, in proxirao-ineisal fillings,
decay, recurrence of, 186.
196.
general observations on, 189.
destroying with arsenic, 365.
gingival margin, 189.
application of arsenic, 365.
gold inlays, preparation for, 341.
prevention of pressure, 366.
incisal margin should be zigzag across
sealing with gutta-percha, 366.
incisal edge, 193.
dressing in canals after removal of
incisal step for anchorage, 194.
pulp, 377, 382.
interproximal gum septum, protection
enlarging canals with drill, 48.
of, 189.
exposure of, 363.
iridio-platinum post in root canal for
accidental exposure of horns of, 103.
anchorage, 197.
by abrasion, 217.
should not be set with cement, 198.
by gingival third decay, 205.
non-conductor of quill, 187.
carious dentin, method of removing
plans of repair, 192.
in, 364.
porcelain inlays, preparation for, 340.
conditions that may present, 363.
pulp chamber, anchorage in, 196.
danger of, in excavating proximo-
pulp, danger of death of on account of
ocelusal cavities, 158.
thermal changes, 196.
method of removing carious dentin
quill, non-conductor of, 187.
in, 114, 364.
recurrence of decay, 186.
gutta-percha in sealing treatments, 366.
separation. 259.
horns of, accidental exposures of, 103.
tabulated instrumentation, 119.
horns of, recessional lines of, in rela-
teeth with thin cutting edges, 19.5.
tion to cavitv preparation, 102,
undercutting incisal edge for anchor-
104, 157.
age, 193.
infected canals, cleaning, 380.
wear of incisal edges has exposed den-
lateral openings in root canals, 376.
tin, cases in which, 196.
location of canals in molar teeth, 372.
Proximo-ocelusal cavities, angles of, 11.
loss of vitality of teeth with abrasion,
walls of, 7.
216.
Pulp, dental, 363.
abrasion, exposure by, 217. pressure, prevention of, in scaling
accidental exposure of horns of, 103. treatments, 366.
anesthetizing with cocain, 366. removal of, 371.
cases in which pulp is exposed, 366. barbed broach for, 371, 381.
cases in which pulp is not exposed, location of canals in molar teeth,
367. 372.
arsenic, destroying with. 36.'5. smooth broach for, 372, 381.
application of arsenic, 36.5. root canals, cleaning, 380.
prevention of pressure, 366. dressing in, after removal of pulp,
sealing with gutta-percha, 366. 377, 382.
calcification of, in cases of abrasion, enlarging with drill, 48.
216. filling, 382.
canals, cleaning, 380. location of. in molar teeth, 372.
canals, dressing in, after removal of rnbbor dam for treatments, 364, 377,
pulp, 377, 382. 381.
canals, lateral openings in, 376. saliva, protection of root canals
canals, location of, in molar teeth, 372. against entrance of, 377.