New 3-dimensional cephalometric analysis for orthognathic surgery.

New 3-dimensional cephalometric analysis for orthognathic surgery.
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新的三维头皮测量学分析,用于正交手术。

DOI:
10.1016/j.joms.2010.09.010
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发表时间:
2011-03
期刊:
Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons
影响因子:
--
通讯作者:
Teichgraeber JF
Teichgraeber JF
中科院分区:
其他
文献类型:
--
作者:
Gateno J;Xia JJ;Teichgraeber JF

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传统的二维(2D)头影测量存在两个基本问题:第一,许多重要参数无法在头颅平片上测量;第二,大多数2D头影测量在面部不对称的情况下会失真。三维(3D)头影测量,这已被简化的锥形束计算机断层扫描的介绍,可以解决这些问题。然而,在实现这一目标之前,必须解决根本问题。它们是内部参考系统和一些3D测量的不可靠性,以及缺乏评估和测量对称性的工具。在这份手稿中,作者提出了一种新的3D头影测量分析,使用不同的几何方法来解决前面提到的基本问题。该分析允许精确测量不同面部单位的大小、形状、位置和方向,并结合了一种新的方法来测量不对称性。
Two basic problems are associated with traditional 2-dimensional ((2D) cephalometry First, many important parameters cannot be measured on plain cephalograms; and second, most 2D cephalometric measurements are distorted in the presence of facial asymmetry. Three-dimensional (3D) cephalometry, which has been facilitated by the introduction of cone beam computed tomography scans, can be solved these problems. However, before this can be realized, fundamental problems must be solved. They are the unreliability of internal reference systems and some 3D measurements, and the lack of tools to assess and measure symmetry. In this manuscript, the authors present a new 3D cephalometric analysis that uses different geometric approaches to solve the fundamental problems previously mentioned. This analysis allows the accurate measurement of the size, shape, position and orientation of the different facial units and incorporates a novel method to measure asymmetry.
DOI: 10.1016/j.jcms.2008.07.006
发表时间: 2009-01-01
影响因子: 3.1
作者:
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