Evaluation of a dental health educational project in the classroom.
D002648:Child; D004521:Educational Measurement; D005069:Evaluation Studies as Topic; D005260:Female; D005881:Gingiva / Q000033:anatomy & histology; D006267:Health Education, Dental; D006801:Humans; D008297:Male; D009911:Oral Hygiene Index; D010512:Periodontal Index; D012571:School Dentistry