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GENERAL INDEX 363

Oxygen, action of on growth of bacteria. 11. Rhaehitis a;s a predisponent to pyorrhoja areo-
dependence of fermentation on. 114. laris, 330.
Oxyphosphates. antiseptic qualities of, 244. Riggs's disease, .321, 32:3.
Rod-forms of bacteria. 4.
Pathogknic bacteria. 16. Rod -shaped elements in dentine, 190, 191, 193.
cultivable, i5y.
entrance-portals of. 274. Saccharomtces albicans, 343, 346.
cerevisise, 344.
non-cultivable, 257.
original investigations on, 268. conglomeratus, .345.
Pelliele-fungus. ^4,3. 345. ellipsoideus, 344.
Penicillium glaucum, .3-5'). exiguus, 343.
Peptonizing action of stomach-bacteria, 311. mycoderma, 199, -343. .345, 347.
Peptotosine. 3<1 Saccharomycetes, 243, 34.3.
Periapical tissue, infection of, 287. Saliva, antiseptic properties of, 41.
Pericementum, removal of for implantation of chemical ingredients of. 38.
reaction of, 206, 209. 212.
teeth. 249.
toxic properties of, 254. 338.
Phanerogams, 1.
Salivary calculus, 101.
Pigmentation of carious tooth-tissue, 94.
Pigi^. tooth-decay in, 202. Saprine. 30.
Platinum needle, 49. Sarcina. 5, 334.
Schizomyeetes. 2, 243.
Pneumonia-coccus, 259, ?>il.
Polyvalent alcohols, fermentation of, 25. Screw-forms of bacteria, 4.
Potato bacillus, 89. Scrofula as a predisponent to pyorrhiea'alveo-
Potato, preparation of as a culture-medium, laris, .331.
58. Sepsine, 29.
Septicine. 29.
Pregnancy as a predisposing cause of caries, 217.
Sharpey's fibers, 148, 106.
Pressure, action of on growth of bacteria, 12.
Protococcus dentalis, 132, 133. Sheep, tooth-decay in, 201.
Ptomaines, 29. Slime-fungi, 351.
Ptyaline, 27, 40. Specimens, preparation of for microscopical ex-
Pulmonary diseases caused by bacteria, 299. amination, 166, 171.
Pulp, dental, 43. Spirilla, 6.
disea.=ed, bacteria of, 96, 213. Spirillum sputigenum, 44, 45, 46, 60, 69, 75, 77,
80, i57.
gangrenous, as an infection-center. 285, 2&4.
Pulp-capping, use of antiseptics in, 245. Spirochete dentium, 44, 69. 7.5. 80, 257.
Pulpitis acuta septica, 294. Spiroehsetes, 6, 76.
Spiromonas. 7.
Pure culture, definition of, .32.
method of obtaining, 60. Spirulina. 6.
Putrefaction as cause of decay, 129, 224. Spores, reproduction by," 8, 63, '86,';352.
influence of on life of bacteria, 14. Sputum septicemia, micrococcus of. 259, .300.
Staining, method.-^ of, 173.
process of, 27.
peculiar appearances from, 187.
Putrescine, 30.
reagents for, 51, 66, 67.
Pyaemia from dental irritation, 289.
P.vogenic bacteria, presence of in oral cavity, Staphylococci, 7.
264. .Staphylococcus citreus. 34.
Pyorrhoea alveolaris. 321. magnus, 90.
etiology, 323, .325. medius, 90.
heredity of, 327. pyogenes albus, 68, 89, 263. 264. 328, 329.
in animals, 332. pyogenes aureu.-, 25, .30, 68, 89, 2a3, 264. 288.
in children, 322. 328. 329.
salivarius pyogenes. 265. 267.
local treatment, .3.33.
original investigations on, .328. Starch, r. 21 16.
I>arasitieal nature, 324. Sterilization, effectual methods of, 249,
of the mouth, influence on general
prognosis, 2S&. health,
297.
symptoms, .322.
of the stomach, -ill.
RAV-KUNf;rs, 2*}. 299, .339. 340. Stoniacace. iio.
Replantation of teeth, 247. Stomach-bacteria, chemical reaction of, ;i09.
Rliiil^lomonas, 7. peptonizing action of. 311.