Korean J Oral Maxillofac Radiol.  2005 Jun;35(2):69-76.

Comparison of MRI findings with clinical symptoms in temporomandibular joint internal derangement

  • 1Department of Oral and Maxillofacial Radiology, School of Dentistry and Institute of Oral Bio Science, Chonbuk National University, Korea. kwonsdc@chonbuk.ac.kr


To determine the clinical correlation of magnetic resonance imaging (MRI) findings of temporomandibular joint internal derangements. MATERIALS AND METHODS: The MR images of 150 TMJs in 75 patients were analyzed. The clinical symptoms were pain in the preauricular area and masticatory muscles and TMJ sounds. RESULTS: There was a statistically significant relationship between the MRI diagnoses of different types of disc displacements and clinical findings of pain, clicking, and crepitus. The risk of TMJ pain was increased when the disc displacement without reduction occurred at the same time in combination with the osteoarthrosis and effusion. CONCLUSION: Regardless of the results, the data indicate that each of these MR imaging variables may not be regarded as the unique and dominant factor in defining TMJ pain occurrence.


Temporomandibular Joint Internal Derangement; Magnetic Resonance Imaging; Clinical Symptoms
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