[Distribution of dental plaque accumulation on permanent tooth surfaces in primary school children].
D000367:Age Factors; D002648:Child; D003753:Dental Health Surveys; D003773:Dental Plaque / Q000453:epidemiology* / Q000517:prevention & control; D005260:Female; D006801:Humans; D008297:Male; D013194:Staining and Labeling; D013997:Time Factors; D014070:Tooth / Q000033:anatomy & histology; D014099:Toothbrushing