J Korean Assoc Oral Maxillofac Surg 2018; 44(3): 112~119
Clinical experience in managing temporomandibular joint ankylosis: five-year appraisal in a Nigerian subpopulation
Ramat Braimah1, Abdurrazaq Taiwo1,2, Adebayo Ibikunle1, Taoreed Oladejo3, Mike Adeyemi4, Francis Adejobi5, Siddiq Abubakar1
1Department of Dental and Maxillofacial Surgery, Usmanu Danfodiyo University Teaching Hospital,
2Department of Surgery, College of Health Sciences, Usmanu Danfodiyo University, Sokoto,
3Department of Plastic and Oral & Maxillofacial Surgery, National Orthopaedic Hospital Dalla, Kano,
4Department of Oral and Maxillofacial Surgery, College of Medicine, University of Lagos, Lagos,
5Department of Oral & Maxillofacial Surgery and Oral Pathology, Obafemi Awolowo University Teaching Hospitals Complex, Ife, Nigeria
Ramat Braimah
Department of Dental and Maxillofacial Surgery, Usmanu Danfodiyo University Teaching Hospital, Sokoto 814212, Nigeria
TEL: +234-803-583-9900
E-mail: robdeji@yahoo.com
ORCID: https://orcid.org/0000-0002-7608-1965
Received December 11, 2017; Revised January 25, 2018; Accepted February 7, 2018.; Published online June 30, 2018.
© Korean Association of Oral and Maxillofacial Surgeons. All rights reserved.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Objectives: Temporomandibular joint ankylosis (TMJA) is a joint pathology caused by bony and/or fibrous adhesion of the joint apparatus, resulting in partial or total loss of function.
Materials and Methods: This is a retrospective study conducted between 2012 and 2016 in the northwest region of Nigeria. The data retrieved includes gender, age, etiology of ankylosis, duration of ankylosis, laterality of ankylosis, type of imaging technique, type of airway management, types of incision, surgical procedure, mouth opening, interpositional materials used, and complications. Results were presented as simple frequencies and descriptive statistics.
Results: Thirty-six patients with TMJA were evaluated during the study period. There were 21 males (58.3%) and 15 females (41.7%), yielding a male:female ratio of 1.4:1. The patients’ age ranged from 5 to 33 years with mean±standard deviation (13.8±6.6 years). Thirty-five cases (97.2%) were determined to be true/bony ankylosis, while only 1 case (2.8%) was false/fibrous ankylosis. Most of the TMJA cases (16 cases, 44.4%) were secondary to a fall. In our series, the most commonly utilized incision was the Bramley-Al-Kayat (15 cases, 41.7%). The mostly commonly performed procedures were condylectomies and upper ramus ostectomies (12 cases each, 33.3%), while the most commonly used interpositional material was temporalis fascia (14 cases, 38.9%). The complications that developed included 4 cases (11.1%) of severe hemorrhage, 1 case (2.8%) of facial nerve palsy, and 1 case (2.8%) of re-ankylosis.
Conclusion: Plain radiographs, with their shortcomings, still have significant roles in investigating TMJA. Aggressive postoperative physiotherapy for a minimum of 6 months is paramount for successful treatment.
Keywords: Ankylosis, Arthroplasty, Incision, Osteotomy, Temporomandibular joint

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31 December 2018
Vol. 44
No. 6 pp. 249~302

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