title: [The application of polaroid photographs in the evaluation of undergraduate students on the effect of periodontal treatment].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002986:Clinical Trials as Topic; D005069:Evaluation Studies as Topic; D005260:Female; D005891:Gingivitis / Q000628:therapy*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010518:Periodontitis / Q000628:therapy*; D010781:Photography; D013335:Students, Dental