. Periodontal disease and its treatment by ionic medication . nsitory nature. The initial pathological lesion is always instituted by anirritant in the gingival trough or injury to gingival tissue,resulting in inflammation, i. e., dilation of bloodvessels,acceleration of blood flow followed by retardation, exudationand migration of leucocytes, stasis and degenerative changes,with accompanying proliferative and reparative the very earliest stage evidence of irritation to the gin-gival trough is hardly perceptible and can only be deter-mined by clinical examination of the condition an
. Periodontal disease and its treatment by ionic medication . nsitory nature. The initial pathological lesion is always instituted by anirritant in the gingival trough or injury to gingival tissue,resulting in inflammation, i. e., dilation of bloodvessels,acceleration of blood flow followed by retardation, exudationand migration of leucocytes, stasis and degenerative changes,with accompanying proliferative and reparative the very earliest stage evidence of irritation to the gin-gival trough is hardly perceptible and can only be deter-mined by clinical examination of the condition and contentsof this space; but gradually this initial inflammation leadsto marked congestion of the gingival fold and swelling ofinterdental papillae accompanied by inflammatory stagnation area is established in which mouth organismsare present; they begin to adapt themselves to favorable 38 PATHOLOGY OF PERIODONTAL DISEASE conditions and produce an irritant influence on the process of deposition of subgingival calculus now begins; dv f. i mm -r £?.-? ? ^Msy, Fig. 5.—d, dentine; p, calculus; /, papillary layer of the gum; z, epithe-lial layer; i, tissue infiltrated with leucocytes; c, normal gum; y, normalbone. Magnified 80 times. Description from Dr. Znamenskys paper. the terminal cells of the periodontal membrane subjectedto degenerative and proliferative changes under increasednutritional conditions deposit the calcareous salts from the PATHOLOGY OF PERIODONTAL DISEASE 39 blood by a process of pathological calcification much thesame as that which governs other pathological calcifications,
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