A study of the distribution of supra and subgingival calculus, bacterial plaque and gingival inflammation in the mouths of 400 individuals.
D000293:Adolescent; D000328:Adult; D003728:Dental Calculus / Q000453:epidemiology*; D003753:Dental Health Surveys; D003773:Dental Plaque / Q000453:epidemiology*; D006801:Humans