颞下颌关节侧向咬合位与对刃位薄层塑化断面对照研究_cropped侧向咬合位工作侧、非工作侧关节形态改变与对刃位相对照。结果:下颌侧向咬合位工作侧,髁突在关节窝内向后、向上、向外移位,关节盘位置无变化,关节盘双板及后带受压;非工作侧,髁突向下、向前、向内侧移位,关节盘后带位置向下移位,无前移位,关节盘中带外侧位居上下关节面之间,明显受压变薄。结论:关节盘并非随髁突作同步同向运动。关节盘在髁突作滑动运动时发生移位;当转动运动、滑动运动复合出现时,关节盘发生移位;而在关节窝内发生的转动运动,关节盘不发生移位。【关键词】颞下颌关节;下颌侧向咬合位;下颌对刃位;lusionYangXiaoping,ZhangShaoxiang,MaQianghua,,LanzhouGeneralHospital,mandPLA,730050,China()【Abstract】Objective::3ofthe8samplesofselectedfreshcadaverswereadjustedtomandibularlateraldisplacementposition,lusionposition,:Ontheworkingsideinmandibularlateraldisplacementposition,condylarmovedbackwords,,,condylarmovedahead,downwardsandinwardsalongposteriorinclineofarticulartuberculum,thenarticulardiscsdidnotmove,:
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