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316 PATHOLOGY OF THE HARD TISSUES OF THE TEETH.

Method of preparing specimens of caries, Occlusal surface cavities, management of,
83. 204.
Michaels, Joseph P., re sialo-seraeiologv, clinical features, 92.
129, 133. conditions under which filUngs should
Micrococcus irregularis, 140. not be made, 207.
vaginatus, 140. examination for, 181.
Microorganisms, as cause of erosion. 40, importance of early discovery and
55. treatment, 97, 207.
exclusion of, does not prevent recur- in bicuspids, 97, 206.
rence of decay, 191. in molars, 92, 207.
in caries of dentin, 71, 73. Occlusion, force of, 161.
in caries of enamel, 74. Occlusion, relation of, to beginning decays
limit of superficial spreading of colo- of enamel, 85.
nies of, 89. Oldest mention of gold for filling teeth,
of the mouth, 138. 61.
Miles and Underwood, re dental caries, C4. Oldest writing of dental caries, 60.
Miller, W. D., re deutal caries, 65. Open apical ends of root canals during
re etiology of erosion, 51, 52. childhood period, 275.
re experiments, growth of microorgan- Order of occurrence of cavities of various
isms of caries, 71. classes, 203, 208, 216, 225.
re investigations of dental caries, 91. Osmosis, 68.
re microorganisms of mouth, I.jO, Overlapping of enamel in atrophy, 15.
re studies of dental caries, 142. Oxyphosphate of copper cement for filling
re tooth powders, 157. atrophied first molars, 26.
Misplacement of beginning proximal de- for filling children's teeth, 254.
cays, 100. Oxyphosphate of zinc as pulp capping,
Modification of the curve of the line of 206.
the dento-enamel junction in atrophy,
18. Pain caused by dental caries, 144.
Moisture, removal of, from cavity walls, in chewing food, as a result of food
192. lodgments, 183.
Molar teeth, see Atrophy, Childhood in oral region, diagnosis, 183.
period of permanent teeth. Children 's Pathology, divorcement of, from cUnieal
teeth. First permanent molars. Gingi- features of caries, 91.
val third cavities, Pit and fissure Patients, cleaning of teeth by, 154.
cavities, Proximal cavities. management of, 153.
Mouth, examinations of, 178. management of children, 235.
not rendered aseptic by antiseptic Penetration of dentin by microorganisms,
washes, 158. 69.
washes, 157. Penetration of enamel in buccal and la-
Mucous membranes of mouth, examin.i- bial surfaces, 90.
tion of, 179. in pits and fissures, 76.
in proximal surfaces, 77.
Near approach of surfaces in relation to
in smooth surfaces, 77.
form of proximal surface decays, 86.
Pericementitis, phagedenic, 186.
Necessity of closer study of beginnings
Peridental membrane, danger of injury
of caries, 143.
to, by ligatures around incisors, 107.
Neuralgia, facial, diagnosis, 184.
disease of, as result of absorption of
New York State Dental Society, studies
interproximal gum tissue, 103.
of saliva by committee of, 131, 13G.
disease of, as result of interproximal
Nidus of each beginning of caries, loca-
wear, 106.
tion of, 89.
Nomenclature, of comparative dental disease of, in relation to force of bite,
162.
anatomy, 4.
hypersensitiveness of, 168.
dental, 4.
sensitiveness of, 168.
Normal saliva, 130.
strength and health of, in relation to
Numbers of species of microorganisms of
force used in mastication, 161.
the mouth, 138.
tenderness of, 169.
Nutrition, effect of, on the development
tliormal sensitiveness of, 184.
of the teeth, 6.
training in chewing food to strengthen,
Nutritional changes in bone, 126.
170.
Observations of cases of atrophy, 12. Permanence of fillings, conditions affect-
Obtunding sensitive dentin, 148. ing, 195.