[Epidemiological survey of periodontal disease (3). Comparison between CPITN and conventional methods].
D006301:Health Services Needs and Demand; D006801:Humans; D010510:Periodontal Diseases / Q000175:diagnosis / Q000453:epidemiology* / Q000473:pathology; D010512:Periodontal Index; D014092:Tooth Root / Q000473:pathology