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INDEX. 309

Caries of the teeth (continueil). dentinal fibrils, how destroyed by, 148.
angles of teeth iiiimime, 88. dento-cnamel junction, spreading along,
application of extension for prevention, 69.
143. dialysis of saliva, re, 69.
areas of liabiUty to, 81, 85, 113, 210, disease, a, of youth, 117.
227. Duddei, Augustin, German translation
arrest of, by cleaning by patient, 182. of Fouchard, re, 62.
embrasures, relation of width
artificial cleaning in relation to super- of, to
proximal ficial spreading, 8S).
atrophy of first permanent molars, enamel, caries of, 65, 74, 83, 91, 142.
backward decay of, 66.
caries in, 25, 125.
author's stutlies of hardness and soft- beginning in pits and fissures, 76.
ness of teeth, 119. beginning in smooth surfaces, 80.
axial angles of teeth generally immune, closer examination of injury to, 83.
'
etiology, 68.
90.
localizations of beginnings of, 74.
backward decay of enamel, 60.
microorganisms in, 74.
beginnings of, necessity of closer study,
penetration of, in buccal and labial
143.
surfaces, 90.
Bell, re, 62.
penetration of, in pits and fissures,
buccal deca3's, see Gingival third decays.
76.
calcium salts of dentin, dissolved in
penetration of, in proximal surfaces,
advance of microorganisms, 70.
77.
calcium salts, variations in amount of,
penetration of, in smooth surfaces,
119, 120.
77.
cause of, 68.
preparation of specimens, 83.
cavities, tenderness of, as a cause of
swelling of decayed area, 101.
tenderness of peridental mem-
enamel, faults of, re, 124.
brane, 169.
fissures in, re, 124.
chemical theory of, 63.
esthetic consideration in treatment, 232.
cleaning, artificial, re, 89, 143, 154, 182,
etiology of, 68.
188.
examinations for, 180.
clinical features of, as a whole, 91.
extension for prevention, application of,
differences between proximal decays
143.
in bicuspids and in molars, 98.
faulty structure of teeth, re, 124.
divorcement from pathology, 91.
filling, effect of, on superficial spread-
gingival third decays, 109.
ing, 89.
occlusal and proximal decays in bi-
first permanent molars, during child-
cuspids, 97.
hood period, 265.
occlusal decays in molars, 92.
fissures, decay in, 124.
pit and fissure decays, 92.
Fouchard, re, 62.
proximal decays in incisors, 107.
Fox, re, 62.
proximal decays in molars, 93.
fungus, caries, cause of, 73.
contact, relation of proper restoration
gelatinous masses on the teeth, 129.
of, to recurrence of decay, 90, 222.
plaques in relation to gingival third
crowding of food between the teeth, decays, 111.
results of, 103.
general statement, re, 65.
curative effect of fillings, 193.
gingival third decays in labial and buc-
deciduous incisors and cuspids, treat- cal surfaces, 109.
ment of, 248. clinical features, 109.
deciduous molars, occlusal surfaces of, conditions favoring, 109.
253. intermittent progress of. 111.
proximal surfaces of, 254. management of, 225.
definition of, 65.
relation of gum margin to, 89.
dentin, caries of, 66, 68, 74, 91, 142. relation of occlusion to, 85.
conical area of caries of, 70. saliva, effect of, favoring certain de-
disappearance of division walls of tu- posits, 111.
bules, 71. several teeth often attacked, 90.
enlargement of tubules, 71. glutinous deposits from the saliva, 136.
etiology, 68. granular layer of Tomes, re, 69, 125.
microorganisms in, 69, 71, 73. gum margin, relation of, to beginning
slowness of progress of, 72. decays, 87, 89.
swellings of tubules, 71. hardness of teeth, re, 118.