Evaluating the effectiveness of instruction in oral hygiene for mentally retarded boys.
D000293:Adolescent; D002648:Child; D003773:Dental Plaque / Q000517:prevention & control*; D005069:Evaluation Studies as Topic; D006267:Health Education, Dental; D006801:Humans; D008607:Intellectual Disability; D008297:Male; D009042:Motivation; D009048:Motor Skills; D009910:Oral Hygiene; D014099:Toothbrushing