锥形束CT应用于头影测量的研究进展

Advances of cone beam computed tomography in cephalometry

锥形束CT(CBCT)与传统头颅定位侧位片相比,能够对人的颅颌面影像进行三维重建,可提供更多的解剖信息,近年来被越来越多地应用于颅面部形态、结构的分析,但是目前尚没有一套完善的用于颅面部三维结构分析的标准。该文综述了CBCT三维重建图像、CBCT转化侧位片和传统头颅定位侧位片在线距、角度测量结果的对比,以期对临床CBCT在头影测量中的运用提供参考。

With its ability to provide high precision three-dimensional（ 3D） reconstruction and more anatomic information than conventional lateral cephalograms,cone beam computed tomography（ CBCT） is widely used in analyzing the craniofacial morphology and structures. So far,however,there has been no comprehensive standard for analyzing the craniofacial structure. This paper reviews the comparison of liner and angular measurements among CBCT 3D reconstruction,CBCT synthesized cephalograms and conventional lateral cephalograms,providing a reference for clinical application.