title: [Epidemiological survey of periodontal disease (report 1)].
mesh_terms: D003773:Dental Plaque / Q000453:epidemiology; D005260:Female; D005884:Gingival Hemorrhage / Q000453:epidemiology; D006801:Humans; D007564:Japan; D008297:Male; D010510:Periodontal Diseases / Q000453:epidemiology*; D010514:Periodontal Pocket / Q000453:epidemiology; D014086:Tooth Mobility / Q000453:epidemiology