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ORIGINAL ARTICLE
Year : 2022  |  Volume : 19  |  Issue : 2  |  Page : 96-100

Temporomandibular joint dislocation: A 7-year retrospective study in Two Nigerian Teaching Hospitals


1 Department of Dental and Maxillofacial Surgery, University of Ilorin/University of Ilorin Teaching Hospital, Ilorin, Kwara State, Nigeria
2 Department of Dental and Maxillofacial Surgery, University of Ilorin Teaching Hospital, Ilorin, Kwara State, Nigeria
3 Department of Dental and Maxillofacial Surgery, Usmanu Danfodiyo University Teaching Hospital, Sokoto, Nigeria
4 Faculty of Dental Sciences, Department of Oral and Maxillofacial Surgery, Usmanu Danfodiyo University, Sokoto, Nigeria

Correspondence Address:
Moshood Folorunsho Adeyemi
Department of Dental and Maxillofacial Surgery, University of Ilorin/University of Ilorin Teaching Hospital, Ilorin, Kwara State
Nigeria
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/njbcs.njbcs_15_22

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Context: Temporomandibular joint (TMJ) dislocation constitutes about 3% of all reported joint dislocations worldwide. The study presents our experience with TMJ dislocation and its management at two tertiary healthcare centers in Nigeria. Materials and Methods: A retrospective study of patients managed for TMJ dislocation at two healthcare facilities over a period of 7 years was conducted. The diagnosis was clinical with confirmation by radiographic findings. Bio-data, predisposing conditions, duration of onset of presenting complaints, and treatment techniques were documented. Cases were classified as unilateral (right or left) or bilateral and they were further sub-classified as acute (less than or equal to 2 weeks of presentation to the clinic), chronic (greater than 2 weeks of presentation to the clinic), or recurrent (more than one episode of dislocation before presentation). Results: A total of 25 cases were analyzed. There was a slight male preponderance 13 (52%) observed with a male/female ratio of 1.1: 1. The mean age is 35.52 ± 17.36 years and a range of 15-80 years. Majority 18 (72%) of the patients were diagnosed with acute TMJ dislocation. The principal predisposing factor was yawning 12 (48%) and most of the patients had bilateral TMJ dislocation 19 (76%). Hippocratic maneuver was the treatment main method of choice in 14 (56%) of the patients. Conclusion: Bilateral TMJ dislocation was the most common pattern seen in our environment.


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