结论：磁共振成像能直观地显示颞下颌关节内组织结构的形态和位置，对颞下颌关节紊乱的诊断和治疗提供更直观全面的影像学依据。
Conclusion: MRI can displace the position and morphology of the temporomandibular joint directly and thus can provide more image evidences for the diagnosis and therapy of the disease.
目的：通过对关节盘前后界限的测定，确定颞下颌关节内紊乱症患者关节盘移位改变的范围，探讨其临床应用价值。
Objective: to determine the anterior and posterior border of articular disc and disc displacement in TMJ ID people and to explore its clinical application.
目的：通过对关节盘前后界限的测定，确定颞下颌关节内紊乱症患者关节盘移位改变的范围，探讨其临床应用价值。
Objective: to determine the anterior and posterior border of articular disc and disc displacement in TMJ ID people and to explore its clinical application.
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