Journal of Oral Medicine and Pain

Korean Academy of Orofacial Pain and Oral Medicine (대한안면통증구강내과학회)
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Temporomandibular Joint Ankylosis Caused by Osteoarthritis: A Case Report Based on Cone Beam Computed Tomography Images

  • Jih, Myeong Kwan (Department of Pediatric Dentistry, College of Dentistry, Chosun University) ;
  • Kim, Jin Soo (Department of Oral and Maxillofacial Radiology, College of Dentistry, Chosun University) ;
  • Park, Hyun-Jeong (Department of Oral Medicine, College of Dentistry, Chosun University)
  • Received : 2022.08.24
  • Accepted : 2022.09.06
  • Published : 2022.09.30
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Abstract

Temporomandibular joint (TMJ) ankylosis is a condition in which condylar movement is restricted because of fibrous or bony union between the mandibular condyle and temporal bone. TMJ ankylosis is most often caused by trauma, followed by systemic or local infection, and secondary to unknown causes. Diagnostic imaging plays a vital role in diagnosing TMJ ankylosis and establishing a treatment plan. Computed tomography (CT) or cone beam computed tomography (CBCT) is currently the imaging technique of choice to accurately demonstrate preoperative ankylosing masses and other surgically important findings, such as the shape of the mandibular condyle and the pathological changes in the joint. The osseous changes in the mandibular condyle are easily identified in the coronal and sagittal sections of CT or CBCT images. This report describes the case of a middle-aged woman who developed TMJ ankylosis of the left TMJ while undergoing repeated treatment for TMJ disease. We report the findings observed on radiographic and CBCT images through continuous observation.

Keywords

Acknowledgement

This study was supported by research fund from Chosun University Dental Hospital, 2020.

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