title: Condylar resorption 2 years following active orthodontic treatment: a case report.
abstract: We recently treated a patient with degenerative disease of the temporomandibular joint. A healthy, 12-year-old female with bilateral high maxillary canines presented for orthodontic treatment. Two years after active orthodontic treatment, at age 17, symptoms in her temporomandibular joint manifested and progressed. By the time she revisited our hospital at age 21, the patient had developed an anterior open bite with a long, slender facial appearance. Cephalometric analysis showed shortening of the ramus and backward and downward rotation of the mandible. Imaging studies revealed severe deformity and resorption of the bilateral condyles. Her occlusal and morphologic changes seemed to be caused by degenerative disease of the temporomandibular joint.
authors.affiliation: Maxillofacial Orthognathics Graduate School, Tokyo Medical and Dental University, Japan. y=kato.ort2@dent.tmd.ac.jp
authors.forename: Y
authors.initials: Y
authors.lastname: Kato
authors.forename: S
authors.initials: S
authors.lastname: Hiyama
authors.forename: T
authors.initials: T
authors.lastname: Kuroda
authors.forename: T
authors.initials: T
authors.lastname: Fujisaki
mesh_terms: D000293:Adolescent; D001862:Bone Resorption / Q000175:diagnosis / Q000209:etiology*; D002508:Cephalometry; D002648:Child; D003936:Diagnosis, Computer-Assisted; D004576:Electromyography; D005260:Female; D006801:Humans; D008312:Malocclusion, Angle Class II / Q000628:therapy; D008335:Mandibular Condyle / Q000473:pathology* / Q000503:physiopathology; D008336:Mandibular Diseases / Q000175:diagnosis / Q000209:etiology*; D009971:Orthodontics, Corrective / Q000009:adverse effects*; D013703:Temporal Muscle / Q000503:physiopathology; D013705:Temporomandibular Joint Disorders / Q000175:diagnosis / Q000209:etiology*