[Epidemiological survey of periodontal disease in nursing homes for aged patients. 1. Oral hygiene status and prevalence of gingival inflammation].
D000368:Aged; D005260:Female; D005891:Gingivitis / Q000453:epidemiology*; D006304:Health Status; D006801:Humans; D007564:Japan; D008297:Male; D008875:Middle Aged; D009735:Nursing Homes; D009910:Oral Hygiene; D010510:Periodontal Diseases / Q000453:epidemiology*