[Epidemiological study of periodontal disease on an island in the Nagasaki prefecture (I)].
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D005260:Female; D005891:Gingivitis / Q000453:epidemiology*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007564:Japan; D008297:Male; D008875:Middle Aged; D010510:Periodontal Diseases / Q000453:epidemiology*