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  • Title: Magnetic resonance image of internal derangement of the temporomandibular joint.
    Author: Jih CH, Chang CY, Lee SK.
    Journal: Gaoxiong Yi Xue Ke Xue Za Zhi; 1992 Apr; 8(4):219-24. PubMed ID: 1578518.
    Abstract:
    Sixteen temporomandibular joints (TMJ) were examined by a high resolution magnetic resonance (MR) imager. Multisection 3.5 mm thick sagittal and coronal images were obtained by 1.0-T MR system and spin-echo sequence (TR = 800 msec, TE = 20 msec). MR provided useful information about meniscal position, morphology and histology. In our study, the MR of the 16 TMJ showed normal finding in two cases and abnormal findings could be differentiated into anterior disc displacement with reduction (8 cases), anterior disc displacement without reduction (3 cases) and bony change (3 cases). MR imaging can produce high-quality tomographic images with good demonstration of the internal structures of TMJ. As it is a noninvasive technique involving no ionizing radiation, MR imaging has been shown to be a useful tool for the demonstration of internal changes in TMJ.
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