title: A plaque control program at the sixth grade level.
mesh_terms: D001296:Audiovisual Aids; D002140:California; D002648:Child; D003773:Dental Plaque / Q000517:prevention & control*; D005069:Evaluation Studies as Topic; D005260:Female; D005891:Gingivitis / Q000517:prevention & control; D006267:Health Education, Dental; D006801:Humans; D008297:Male; D010865:Pilot Projects; D012054:Reinforcement, Psychology; D012571:School Dentistry; D013663:Teaching / Q000379:methods; D014099:Toothbrushing