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318 PATHOLOGY OF THE HARD TISSUES OF THE TEETH.
Regnard, re dental caries, 63. in erosion, 43, 59.
Relation of form of proximal decays to of normal dentin, 145.
area of near approach of surfaces of of peridental membrane, 168.
thermal, 219.
the teeth, 86.
Relation of growth and shedding of the Separating files, results of use of, 103.
deciduous teeth to their treatment, Shedding and growth of deciduous teeth
237. in relation to their treatment, 237.
Relation of gum margin to beginning of Sialo-semeiology, 129.
decays of enamel, 87, 89. Signs of susceptibility and immunity to
Relation of occlusion to localization of dental caries, 137.
Silver nitrate, treatment of decays of de-
caries, 85.
Relation of proximal surfaces of teeth to ciduous incisors and cuspids, 248.
each other, 86. caution re use of, 251.
Relation of restoration of contact and treatment of caries in cases of reces-
mesio-distal breadth to recurrence of sion of gums, 231.
caries, 90. treatment of occlusal decays of decidu-
Relation of width of embrasures to proxi- ous molars, 253.
Simple gingivitis, 186.
mal decays, 87.
Slowness of progress of caries of dentin,
Repair in human teeth, no process of, 6.
Repair of absorptions of portions of teeth, 72.
127. Smith 's case of general deformity of
Results of absorption of interproximal enamel, 30.
gum tissue, 103.
Smooth surface cavities, see Gingival
Results of interproximal wear, 104. third cavities, Proximal surface
Retained deciduous teeth, 245. cavities.
Retzius, lines of, in atrophy, 13, 15.
Softened dentin, filling over, 205.
Robertson, re dental caries, 62.
Softness of teeth, 118.
Root, atrophy of, 18. to cutting instruments, 122.
Root canals of teeth, apical ends open Soft tissues of mouth, examination of,
during childhood period, 275. 179.
Root fillings, in deciduous teeth may be Specimens showing injury to enamel,
made when, 239.
method of preparing, 83.
relation of age of patients to success,
Sporadic cases of mottled teeth, 38.
276.
Spreading of dental caries, along dento-
Roots of permanent teeth, growth of, 258. enamel junction, 69.
Roots of teeth well developed in atrophy, around the teeth, 113.
10.
on smooth surfaces, 77.
Ropy saliva, 135.
on surface of enamel, 75, 113, 114.
effect of, on dental caries, 136.
Staphylococcus, cause of caries, 73.
Rose, Carl, studies of dentinal fibrils, 146.
Straight enamel, 122.
studies of saliva, 131. Streptococcus buccalis, 139.
Rottenstein and Leber, re dental caries, Streptococcus, cause of caries, 73.
64. Streptococcus continuosum, 140.
Roughening of surface of decayed area,
Streptococcus media, 139.
101, 102.
as cause of caries, 73.
Rubber bands for cleaning teeth, 158.
Subperiosteal bone, 126.
Suceedaneous teeth, 259.
Saliva, 132. Sugar, dialized and crystallized, 69.
effect of, favoring deposits on the Sulphocyanids in saliva, influence of, 131.
teeth, 111. Superficial spreading of caries around an-
examination of crystals, 130.
gles of teeth, 113.
salts dialized from, 69. effect of falling away of enamel rods
studies of, by Dr. Michaels, 129.
on, 89.
Salts dialized from saliva, 69.
on smooth surfaces, 77.
Scarlet fever as cause of atrophy, 11. on surface of enamel, 75, 113, 114.
Secondary extensions gingivalJy of proxi-
relation of artificial cleaning to, 89.
mal decays, 101. Surfaces of teeth cleaned by mastication,
Secretion of diseased glands as cause of
85.
erosion, 50, 54.
Selection of filling material, 198. Surfaces of teeth not cleaned by mastica-
tion, 85.
Self-limiting diseases, 117.
Sensation in dentin, 146. Susceptibility to dental caries, 115, 130.
Sensitiveness, caused by dental caries, 144. changes in, 118.