[A survey of periodontal disease in an adult group--with relation between aging and periodontal destruction].
D000293:Adolescent; D000328:Adult; D000375:Aging; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010510:Periodontal Diseases / Q000175:diagnosis; D010512:Periodontal Index; D010518:Periodontitis; D010519:Periodontium / Q000473:pathology*