[An assessment using CPITN (WHO) of the periodontal health in a group of high school students].
D000293:Adolescent; D005260:Female; D006301:Health Services Needs and Demand; D006801:Humans; D007564:Japan; D008297:Male; D010510:Periodontal Diseases / Q000453:epidemiology* / Q000628:therapy; D010512:Periodontal Index; D014944:World Health Organization