The lack of relationship between toothbrushing duration and plaque removal in kindergarten children.
D002648:Child; D002675:Child, Preschool; D003773:Dental Plaque / Q000517:prevention & control*; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D008297:Male; D009911:Oral Hygiene Index; D013997:Time Factors; D014099:Toothbrushing