title: The effect of duration and technique of toothbrushing on the oral hygiene of third grade students.
mesh_terms: D002648:Child; D003773:Dental Plaque / Q000517:prevention & control*; D005069:Evaluation Studies as Topic; D006801:Humans; D009911:Oral Hygiene Index; D010353:Patient Education as Topic; D014099:Toothbrushing