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IKDEX. 317

Permanent fillings, in atrophied first mo- mastication as factor in, 167.
lars, 2H. Proximal fillings, pro[)hylactie value of
Permanent fillings, meaning of, 1!I5. form in, 222.
Permanent teeth, caries of, during cliiM- Proximal surface cavities, area of lia-
hood period, liGS. bility, 81, 85, 113, 210.
childhood period of, 258. conditions which cause food lodgments,
delayed eruption of, by deciduous teeth, 102.
•J43. examinations for, 181.
injuries to, by abscesses of deciduous extension for prevention, 211.
teeth, 243, 244. food lodgments in interproximal space,
Phagedenic pericementitis, 186. 220.
Phagodynamometer, records on, 16.5. form of surface in relation to cleanli-
Physical characters of the teeth, 118. ness, 219.
Physical examinations of the mouth, ITS. in bicuspids and molars, clinical fea-
of the teeth, 120. tures, 93, 97.
Physiological and pathological differences importance of early discovery, 98.
between bone and dentin, 126, 191. in highly susceptible persons, 215.
Physiological conditions of teeth and bone in incisors and cuspids, clinical fea-
compared, l!tl. tures, 107.
Physiological repair in dentin, no process danger of pulp exposure, 273.
of, 128. during childhood period, 272.
Pit and fissure cavities, clinical features, importance of early attention to, 109.
92, 97. open apical ends of root canals, 275.
conditions under which fillings should in middle age, 217.
not be made, 207. limitation of extension for prevention,
importance of early treatment, 207. 214.
in bicuspids, 206. management of, 208.
in molars, 204. misplacement of beginnings, 100.
management of, 204. prophylactic value of form in proximal
penetration of enamel in, 76. fillings, 222.
Pits in enamel, 124. Proximal surfaces, erosion of, 48.
caries in, 124. Pninty 's case of white enamel, 35.
in atrophy, 30. Psychic conditions in patients, 153.
Photograph, note re use of word, 16, 77. Public, education of, Ijy the dentist, 154.
Photomicrograph, note re use of word, Pulp, danger of exposure in atrophy, 24.
16, 77. death of, from thermal sensitiveness,
Platinum-gold foil in treatment of abra- 152.
sion, 201. disease of, as cause of tenderness of
Points in localization of beginnings of peridental membrane, 169.
caries of enamel, 75. hyperemia of, 184.
Porcelain inlay as a filling material, 201. importance of early removal of, after
Portion of the teeth affected by atrophy, 7. death from thermal sensitiveness,
Position of erosion, 39. 152.
Powders for the teeth, 157. loss of, in relation to force of bite, 162.
Predisposition to dental caries, 115. of atrophied incisors and cuspids closer
to disease, 115. to incisal e Pregnant women, caries in teeth of, 117. of deciduous teeth, proximity of, to
Preiswerk, re etiology of erosion, 55. enamel, 256.
Prevention of secondary extension gingi- of first permanent molar, relation of to
vally of proximal decays, 102. depth of decay, during childhood
Principle governing beginnings of caries period, 267.
of enamel, 75. capping, during childhood period,
Prisms, use of, for the eyes, 177. 270.
Progress of caries in dentin, 69. hyperemia of, during childhood pe-
limited or stopped how, 72. riod, 269.
Progress of caries of enamel, 76. of incisors, danger of exposure during
Progress of erosion, 39. childhood period, 273.
Prophylactic treatment of caries, 143. of upper lateral incisors, 274, 276.
by artificial cleaning, 188. oxyphosphate of zinc capping for, 206.
by patient, 182. removal of, in cases of delayed erup-
Prophylactic value of fillings, 194. tion, 261.
of form in proximal fillings, 222. removal of, often bad practice, 276.
Prophylaxis, 154. Pulse, in dental examinations, 178.