[Epidemiological study of periodontal disease on an island in the Nagasaki prefecture (III). Research on periodontal disease on Hirashima Island, Sakito-cho].
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D005260:Female; D006801:Humans; D007564:Japan; D007575:Jaw, Edentulous / Q000453:epidemiology; D008297:Male; D008875:Middle Aged; D010510:Periodontal Diseases / Q000453:epidemiology*