成人下颌偏斜患者颞下颌关节形态及位置的变化

The changs of morphology and position of temporomandibular joint in adults with mandible deviation

目的:研究下颌偏斜患者颞下颌关节形态及其位置的变化。方法:对21例下颌偏斜患者和20例个别理想志愿者拍摄颞下颌关节中位断层片,选择描述髁突位置及髁突和关节窝形态的15个指标进行测量及统计分析.结果:下颌偏斜患者双侧关节结节高度、关节窝指数增大,髁突后斜面与水平基准线的夹角减小;偏斜侧的关节前间隙、关节前后间隙面积比,髁突高度、髁突上部高度减小;对侧的关节上间隙、髁突高度、髁突上部高度、髁突前斜面与水平基准线的夹角、关节窝后斜面与水平基准线的夹角增大。结论:下颌偏斜患者的双侧髁突和关节窝形态及髁突在关节窝中的位置都发生了改变,尤其以非偏斜侧髁突变化较为明显。

Objective-To determine whether there are some changs in morphology and position of temporomandibular joint in adults with mandible deviation.Method： The mesofault radiographs of temporomandibular joint were taken in 20 adult patients with mandible deviation and 20 adults with normal occlusion. All data were analysed with SPSS 13.0 sofeware.Result：/n adult patients with mandible deviation, the hight of articular tubercle and glenoid fossa exponent of both side of temporomandibular joint were augmented,The angle of back bevel of condyle process of both side was diminished.The prosoblank and areas ratio of joint,the hight of condyle process and the upper hight of condyle process were diminished in deflected side .But the sup blank of condyle process, the hight of condyle process, the upper hight of condyle process, the angle of prosobevel of condyle process and The angle of back bevel of glenoid fossa were augmented in another side.Conclusion： The morphology of condyle process and glenoid fossa and the position of condyle process were changed in adult patients with mandible deviation, especially, the changes in condyle process of deflected side were pronounced.