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颞下颌关节前方脱位最为常见。近年来有少数报导中央性脱位,髁状突通过关节凹顶的骨折处脱入颅中凹。还有个案报导后方脱位,髁状突脱入外耳道。颞下颌关
Anterior temporomandibular joint dislocation is the most common. In recent years, there have been a few reports of central dislocation, the condyle off the cranial fovea through the concave part of the joint. There are also cases of posterior dislocation, condyle detachment into the external auditory canal. Temporomandibular joint