[Prevalence of periodontal disease in 15-year-old schoolchildren in Japan. Part II: Regarding alveolar bone resorption].
D000293:Adolescent; D000539:Alveolar Process / Q000473:pathology*; D001862:Bone Resorption / Q000453:epidemiology* / Q000473:pathology; D006801:Humans; D007564:Japan; D010510:Periodontal Diseases / Q000453:epidemiology / Q000473:pathology