title: The effect of orthodontic therapy on certain types of periodontal defects. I. Clinical findings.
mesh_terms: D000293:Adolescent; D000328:Adult; D001862:Bone Resorption; D002648:Child; D006801:Humans; D008310:Malocclusion / Q000628:therapy; D008487:Medical History Taking; D003765:Models, Dental; D008963:Molar / Q000000981:diagnostic imaging; D009967:Orthodontic Appliances; D009971:Orthodontics, Corrective / Q000009:adverse effects; D010347:Patient Care Planning; D010515:Periodontal Prosthesis; D010518:Periodontitis / Q000000981:diagnostic imaging / Q000628:therapy; D010519:Periodontium / Q000502:physiology; D011379:Prognosis; D011861:Radiography, Dental; D013752:Tetracycline; D014087:Tooth Movement Techniques
chemical_list: D013752:Tetracycline