title: [Dynamic method for measuring the periodontal area].
abstract: The study was carried out on 21 teeth before and after their removal in 9 patients. Mechanical parameters of the dental supporting-retaining system were studied with a two-parametrical periodontometer, which evaluates the tooth mobility and angle of losses, characterizing the internal friction in the tooth-periodontium-bone system. The in vitro area of the periodontium was evaluated using millimeter paper. A direct relationship between the angle of losses and periodontal area was revealed. The authors suggest using a coefficient of propotionateness between the periodontal area and angle of losses; this coefficient does not depend on the tooth mobility and periodontal area.
authors.forename: B P
authors.initials: BP
authors.lastname: Markov
authors.forename: K A
authors.initials: KA
authors.lastname: Morozov
mesh_terms: D000328:Adult; D000368:Aged; D001284:Atrophy / Q000175:diagnosis; D003945:Diagnosis, Oral / Q000295:instrumentation*; D006801:Humans; D008875:Middle Aged; D010519:Periodontium / Q000473:pathology*; D014086:Tooth Mobility / Q000175:diagnosis*