目的：探讨颞下颌关节内窥镜下颞下颌关节盘移位和关节盘穿孔的病理改变特征。
Objective: To evaluate the pathologic changes in the patients of anterior disc displacement (ADD) and perforation of temporomandibular joint (TMJ).
结果11侧手术关节为部分关节盘前移位，8侧为完全性关节盘前移位，6侧为关节盘穿孔。
Results 11 joints had partial anterior disc displacement, 8 joints with complete anterior disc displacement and 6 joints with perforation.
近年来，有学者研究表明，长期的关节侧方运动会导致偏斜侧关节盘的穿孔以及关节盘和髁状突其他附件的损害。
Recently study founded that a continuous lateral movement of the jaw may lead to perforations of both discs in their lateral part and may damage the lateral attachments of the disc to the condyle.
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