title: The effect of daily toothbrushing at school upon caries prevalence among white and non-white sixth-grade children.
mesh_terms: D002648:Child; D003731:Dental Caries / Q000517:prevention & control*; D006801:Humans; D009657:North Carolina; D044469:Racial Groups; D012571:School Dentistry; D014099:Toothbrushing