[The effect of instruction in vertical and horizontal toothbrushing technique in school children].
D000293:Adolescent; D000367:Age Factors; D002648:Child; D003773:Dental Plaque / Q000517:prevention & control*; D006801:Humans; D008722:Methods; D012575:Schools, Dental; D014099:Toothbrushing
Effketen af instruktion i vettikal og horisontal tandbøorstning hos skolebøorn.