[Effect of a dental hygiene contest in school children].
D000293:Adolescent; D001363:Awards and Prizes; D002648:Child; D003777:Dental Prophylaxis; D005260:Female; D006267:Health Education, Dental; D006801:Humans; D006920:Hygiene; D008297:Male; D009909:Oral Health; D012572:School Health Services; D014099:Toothbrushing
Effekt av en munnhygienekonkurranse blant skolebarn.