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GENERAL INDEX. 361
Decay. (See Curit^-) Fermentation, butyric acid 2->.
Denitrification, 32, 117. dextrane. 22.
Dental bacterium of Clark, 7<5. diveree, 25.
Dental pulp as a nutrient medium for bacteria, lactic acid, 20, 1*5, 206, 312.
43. mannite, 22.
Dentioola, 47. H, 132. 13:3. of carbohydrates. 19.
Dentinal tubules, thickening of. 189. of fats, fatty acids, and oxyacids, 26.
Dentine, decay of, 153, 171, 211. 213. of polyvalent alcohols, 25.
dehydration of, 203. production of by micro-organisms. IS, 102,
discoloration of, 90. 154. 307.
inflammation of, 122. yeast, 344.
normal, penetration of by bacteria, 179, 327, Fermentative products, action of on digestion,
346. 300.
recalcifieation of, 204. action of on oral tissues, 119.
structural properties of, 14(3, 148. Filling-materials, antiseptic action of, 237.
Dentine cartilage, density of, 150. electrical action of, 143.
Dextrane fermentation. 22. Fissation, reproduction by. 8.
Dextrose, 116. Fissures as caries-centers. 187. 216, 217.
Dietetic table, 316. Food, influence of on dental decay. 219-222.
Digestion, disorders of from bacteria. 296, 3W. Foramina cwca. 216.
experiments on, 305, 313. Fuchsine. method of staining with, 174.
Dilution cultures, 54. Fungi, classification of. 1.
Diphtheria-bacilli, 337. Fungous animals. 351.
Diplococei, 4.
Discoloration of tooth -substance, significance Gadi.mxe. .30.
Galvanic action of tooth-fillings.' 136.
of. 152, 1.56. 162. 199.
Disease, general, as a predisposing cause of Gangrenous pulp as an infection-ceuter. 285,
caries, 218. 294.
production of by micro-organisms, 15. 274. pure culture from. 61.
Gas. formatior of in lactic-acid fermentation.
Disinfectants for the mouth, 236.
110.
Dogs, tooth-decay in, 200.
production of by articles of diet. 315. 316.
Double-staining, 175.
Ga-s-forming bacteria. a5. HI. 310. 313.
Drop-culture, 65.
morphology of, 317.
Dyspepsia chronica, 30t).
I Gastric fermentation. ;301.
Dyspeptics, proper diet for, 317.
Gastric juice, action of on bacteria. 302. :iit4, 312.
Ebcrxitis theory of inflammation, 124. daily secretion of. 3i)8.
Eggs, preparation of as culture media, 58. Gelatine, advantages of as a culture-medium.
Electric currents in the mouth, 141, 142, 61.
Electrical theorj- of decay, 135. Gigartina speciosa, 48.
Electricity, action of on growth of bacteria, 12. Glossophyton, 351.
Embryonic elements. Abbott's, 124, 185. Glutine. 149, 150.
Enamel, decay of, 151, 166. Gold, antiseptic ciualities of, 241. 244.
density of orgsinie substance of, 1.50. galvanic action of on thelteeth, 137, 142.
discoloration of, 162. Gonoids, 339.
fissures in, 217. Gracilaria lichenoides, 48.
structural properties of. 147. Granules, presence of in dentinal tubules. 192.
Enamel-cuticle, decay of, 156. 193.
Enamel -prisms, disniption of. l'>9. Gums, "acid secretion" of, 210.
Epithelial cells, dead, as nutrient media for exudations of. 43.
bacteria. 42. recession of as a predisposing cause of caries,
Euchema spinosum, 48. 217.
Extractions, septic ilangers from, 275, 28;?, .3."iS. suppurative processes at margin of, .319.
Fats, fermentation of. 26, 117. Hf.licobacteriitm aerogenes, 318.
Fermentation, abnormal, in the digestive pro- Heredity of dental decay, 218.
cess, .307, 312. Horses, tooth-decay in, 201.
acetic acid. 31. Hyphae of mould-fungi. .349
ammoniacal. -32. 1 Hyphomycetes, 2. 243, :ti9. 3 lit.