title: Positive motivation: a method for promoting oral health among mentally retarded people.
mesh_terms: D000293:Adolescent; D000328:Adult; D004495:Education of Persons with Intellectual Disabilities; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009042:Motivation; D009910:Oral Hygiene; D012201:Reward; D014099:Toothbrushing