特发性髁突吸收患者髁突位置特征的CBCT研究

Journal of Practical Stomatology(2020)

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Abstract
目的:探讨特发性髁突吸收(idiopathic condylar resorption,ICR)患者髁突在三维方向上的位置特征.方法:纳入符合ICR诊断的患者26例为实验组,无TMJ疾患的骨性I类错患者26例为对照组,对TMJ行CBCT扫描,用Mimics 17.0行三维重建,测量髁突位置及方向,行统计学分析.结果:实验组与对照组相比,关节上间隙、轴面倾斜角、关节结节倾斜角减小,髁突的矢状面倾斜角变大,对照组及双侧发病组左右侧对比无明显差异(P<0.05).结论:ICR患者髁突在矢状向上顺时针旋转,在轴面上向前内方向旋转,且髁突上移位.
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