Periodontal disease and oral hygiene among children. United States.
D000367:Age Factors; D044383:Black People; D002648:Child; D002675:Child, Preschool; D003753:Dental Health Surveys; D004522:Educational Status; D005260:Female; D005843:Geography; D006801:Humans; D007182:Income; D008297:Male; D009909:Oral Health; D010510:Periodontal Diseases / Q000453:epidemiology*; D010512:Periodontal Index; D012737:Sex Factors; D014099:Toothbrushing; D014481:United States; D044465:White People; D001741:Black or African American