[A survey of oral health in 2,191 elderly inhabitants in Beijing].
D000368:Aged; D000369:Aged, 80 and over; D002681:China; D004245:DMF Index; D003731:Dental Caries / Q000453:epidemiology; D003753:Dental Health Surveys; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010510:Periodontal Diseases / Q000453:epidemiology