Classroom-oriented toothbrushing...truly a preventive measure?
D001130:Arizona; D002648:Child; D004245:DMF Index; D003731:Dental Caries / Q000517:prevention & control; D006267:Health Education, Dental; D006801:Humans; D009911:Oral Hygiene Index; D012571:School Dentistry; D014099:Toothbrushing