特发性髁突吸收的颞下颌关节锥形束CT分析  

Investigation on radiographic signs of temporomandibular joint in the idiopathic condylar resorption with cone beam computed tomography

作　　者：欧发荣 郑有华[1] 王剑宁[1] 张志光[1] 

机构地区：[1]中山大学光华口腔医学院·附属口腔医院,广东省口腔医学重点实验室,广州510055

出　　处：《中华口腔医学研究杂志（电子版）》2014年第4期18-21,共4页Chinese Journal of Stomatological Research(Electronic Edition)

基　　金：卫生部部属(管)医院2010-2012年度临床学科重点项目(卫规财函<2010>439号);中山大学临床医学研究5010计划项目(2007050)

摘　　要：目的利用特发性髁突吸收(ICR)患者的锥形束CT(CBCT)资料,探讨其颞下颌关节的变化。方法对39例ICR患者及28例正常人行颞下颌关节的CBCT扫描,测量颞下颌关节结构的各相关指标,并进行统计学分析。结果 ICR组与正常组间髁突内外径、前后径、水平角、关节结节斜度、关节上间隙等测量指标之间的差异均有统计学意义(P=0.000),表现为ICR组的髁突内外径、前后径、结节斜度、关节上间隙等减小,水平角则增大。结论 ICR的影像学主要表现是髁突的变小、前斜面的吸收、结节斜度的降低,同时髁突有往前内旋转和往上移动的趋势,这些指标可用来评估ICR的进展、疗效及预后。Objective Study the radiological change of temporomandibular joint （TMJ） in the idiopathic condylar resorption （ICR） with cone beam computed tomography （CBCT） data. Methods Thirtynine patients with idiopathic condylar resorption and 28 volunteers without TMJ disorders were underwent CBCT examinations. Then the parameters of condyle-fossa relationship were assessed and statistically analyzed. Results Significantly statistical difference between the ICR group and normal group were detected in condylar medial-lateral distance, anteroposterior distance, articular eminence inclination, and joint space. Conclusions Shortened condyle, resorption of former cant, reduced articular eminence inclination, and an upward-moved and anteromedially-rotated condyle are good indicators for assessing ICR development and its treatment effect and prognosis.

关 键 词：特发性髁突吸收 颞下颌关节 锥形束CT 

分 类 号：R816.98[医药卫生—放射医学]