Effect on caries prevalence of daily toothbrushing at school by children living in a non-fluoridated area.
D002648:Child; D004245:DMF Index; D003731:Dental Caries / Q000517:prevention & control*; D006801:Humans; D009825:Oklahoma; D010353:Patient Education as Topic; D012574:Schools; D014099:Toothbrushing; D014881:Water Supply