Temporomandibular joint degenerative changes following mandibular fracture: a computed tomography-based study on the role of condylar involvement

Objectives This study assessed the incidence of postfracture radiological temporomandibular joint (TMJ) degeneration in patients with different types of mandibular fractures, focusing on the impact of condylar fractures. Methods This retrospective review included patients diagnosed as having mandibu...

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Bibliographic Details
Published in:Oral radiology 2024, Vol.40 (3), p.385-393
Main Authors: Su, Chun-Lin, Su, An-Chi, Chang, Chih-Chen, Lin, Arthur Yen-Hung, Yeh, Chih-Hua
Format: Article
Language:English
Subjects:
Computed tomography
Degeneration
Dentistry
Fractures
Head
Imaging
Mandible
Medicine
Oral and Maxillofacial Surgery
Original Article
Patients
Radiology
Risk factors
Temporomandibular joint
Tomography
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Summary:Objectives This study assessed the incidence of postfracture radiological temporomandibular joint (TMJ) degeneration in patients with different types of mandibular fractures, focusing on the impact of condylar fractures. Methods This retrospective review included patients diagnosed as having mandibular fractures from 2016 to 2020 who had undergone initial computed tomography (CT) and a follow-up CT scan at least 1-month postfracture. Patient demographics, fracture details, treatment methods, and radiological signs of TMJ degeneration on CT were analyzed to identify risk factors for postfracture TMJ degeneration, with a focus on condylar head fracture and non-head (condylar neck or base) fractures. Results The study included 85 patients (mean age: 38.95 ± 17.64 years). The per-patient analysis indicated that the incidence of new radiologic TMJ degeneration on CT was significantly the highest (p 
ISSN:0911-6028
1613-9674
DOI:10.1007/s11282-024-00742-w