Toothbrushing behaviour in relation to plaque and gingivitis in adolescent schoolchildren.
D000293:Adolescent; D003773:Dental Plaque; D004526:Efficiency; D005260:Female; D005891:Gingivitis; D006801:Humans; D008297:Male; D013997:Time Factors; D014099:Toothbrushing / Q000379:methods*