title: Potential role of disc repositioning in preventing postsurgical recurrence of traumatogenic temporomandibular joint ankylosis: a retrospective review of 17 consecutive cases.
abstract: The potential role of disc repositioning in preventing postsurgical recurrence of traumatogenic temporomandibular joint (TMJ) ankylosis was investigated. Seventeen cases of traumatogenic TMJ ankylosis underwent disc repositioning during arthroplasty. During surgery, the dislocated disc was carefully dissected outside the ankylotic TMJ and repositioned over the top of the condylar stump, and then sutured to the soft tissue of the zygomatic root. In the 22 ankylotic TMJs of the 17 patients, dislocated discs were found in front of the ankylotic TMJ, behind the ankylotic TMJ or between the ramus and fossa. At the last follow-up (longer than 1 year) examination, interincisal opening distances ranged from 24 to 43 mm (mean 32.86 mm). No recurrence and TMJ symptoms were found during the period of follow-up. Disc repositioning in the treatment of traumatogenic TMJ ankylosis proves to be a feasible and effective method of preventing recurrence of this condition.
authors.affiliation: Department of Oral & Maxillofacial Surgery and Key Laboratory for Oral Biomedical Engineering of Ministry of Education, School of Stomatology, Wuhan University, Wuhan, PR China. lizubing@sina.com
authors.forename: Z-B
authors.initials: ZB
authors.lastname: Li
authors.forename: Z
authors.initials: Z
authors.lastname: Li
authors.forename: Z-J
authors.initials: ZJ
authors.lastname: Shang
authors.forename: J-H
authors.initials: JH
authors.lastname: Zhao
authors.forename: Y-J
authors.initials: YJ
authors.lastname: Dong
mesh_terms: D000293:Adolescent; D000328:Adult; D000844:Ankylosis / Q000517:prevention & control* / Q000601:surgery; D001178:Arthroplasty; D002648:Child; D005240:Feasibility Studies; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D004204:Joint Dislocations / Q000601:surgery; D008297:Male; D008335:Mandibular Condyle / Q000293:injuries / Q000601:surgery; D008875:Middle Aged; D011183:Postoperative Complications / Q000517:prevention & control*; D011862:Radiography, Panoramic; D016059:Range of Motion, Articular / Q000502:physiology; D012008:Recurrence; D012189:Retrospective Studies; D013704:Temporomandibular Joint / Q000293:injuries / Q000601:surgery*; D019224:Temporomandibular Joint Disc / Q000601:surgery*; D013705:Temporomandibular Joint Disorders / Q000517:prevention & control* / Q000601:surgery; D014945:Wound Healing / Q000502:physiology