The efficacy and limitations of USI for diagnosing TMJ internal derangements
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Abstract
Introduction
This study was conducted to determine the effectiveness of ultrasonographic imaging for diagnosing temporomandibular joint internal derangements.
Materials and methods
Ultrasonographic and magnetic resonance imaging scans of temporomandibular joints were obtained bilaterally in 55 patients who had temporomandibular joint disorders and who were diagnosed with temporomandibular joint internal derangements following a clinical examination. Diagnostic accuracy of ultrasonographic imaging was assessed considering magnetic resonance imaging as the gold standard method.
Results
When the results of ultrasonographic imaging and magnetic resonance imaging were compared, the diagnostic accuracy of ultrasonographic imaging was 0.81 for detecting TMJ disc displacement. The diagnostic accuracy of ultrasonographic imaging in detecting TMJ disc position was 0.81 in the closed-mouth position and 0.93 in the open-mouth position.
Conclusion
As a noninvasive and reproducible imaging method acquiring dynamic images, ultrasonographic imaging is a successful method in the evaluation of temporomandibular joint disc displacement.
Keywords
Temporomandibular joint Ultrasonographic imaging Magnetic resonance imaging Disc displacement with reduction Disc displacement without reductionNotes
Compliance with ethical standards
Conflict of interest
No conflict of interest
Ethical approval
Ethical committee approval was obtained from Atatürk University Faculty of Dentistry. Ethics committee approval was given by the ethics committee of the Faculty of Dentistry at Atatürk University by the decision dated 15.09.2015 and numbered 39.
Informed consent
Informed consent is signatured by people included in the study.
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