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. 2015 Jun;41(3):125-32.
doi: 10.5125/jkaoms.2015.41.3.125. Epub 2015 Jun 23.

Correlation between clinical symptoms and magnetic resonance imaging findings in patients with temporomandibular joint internal derangement

Young-Wook Jung  1 , Sung-Hoon Park  2 , Sung-Woon On  1 , Seung-Il Song  1
Affiliations

Correlation between clinical symptoms and magnetic resonance imaging findings in patients with temporomandibular joint internal derangement

Young-Wook Jung et al. J Korean Assoc Oral Maxillofac Surg. 2015 Jun.

Abstract

Objectives: The purpose of this study was to clarify which findings in magnetic resonance imaging (MRI) are good predicators of pain and mouth opening limitation in patients with temporomandibular joint (TMJ) internal derangement (ID).

Materials and methods: Clinical examinations for pain and mouth opening limitation were conducted for suspected TMJ ID. MRI scans were taken within a week of clinical examinations. On the oblique-sagittal plane image, readings were obtained in terms of the functional aspect of disc position, degree of displacement, disc deformity, joint effusion, and osteoarthrosis. Multiple logistic regression analyses were conducted to identify the predictors of pain and mouth opening limitation.

Results: A total of 48 patients (96 TMJs) were studied, including 39 female patients and 9 male patients whose ages ranged from 10 to 65 years. The resultant data showed significant correlations between pain and the MR imaging of the degree of disc displacement (P<0.05). The probability of there being pain in moderate to significant cases was 9.69 times higher than in normal cases. No significant correlation was found between mouth opening limitation and MRI findings.

Conclusion: We identified a significant correlation between clinical symptoms and MRI findings of ID. The degree of anterior disc displacement may be useful for predicting pain in patients with TMJ ID.

Keywords: Magnetic resonance imaging; Temporomandibular joint disorders.

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Conflict of interest statement

Conflict of Interest: No potential conflict of interest relevant to this article was reported.

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