Periodontal disease in children.
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D005260:Female; D005843:Geography; D006801:Humans; D008297:Male; D010510:Periodontal Diseases / Q000453:epidemiology*; D010512:Periodontal Index; D012723:Sex; D012924:Social Conditions; D006113:United Kingdom