The use of a new 3D splint and double CT scan procedure to obtain an accurate anatomic virtual augmented model of the skull

被引：99
作者：
Swennen, G. R. J.
Barth, E. -L.
Eulzer, C.
Schutyser, F.
机构：
[1] Gen Hosp St Jan Bruges, Dept Surg, Div Maxillofacial Surg, B-8000 Brugge, Belgium
[2] Hannover Med Sch, Dept Oral & Maxillofacial Surg, D-30625 Hannover, Germany
[3] Univ Hosp Gasthuisberg, Fac Med, Med Image Comp Radiol ESAT PSI, B-3000 Louvain, Belgium
[4] Univ Hosp Gasthuisberg, Fac Engn, Med Image Comp Radiol ESAT PSI, B-3000 Louvain, Belgium
来源：
INTERNATIONAL JOURNAL OF ORAL AND MAXILLOFACIAL SURGERY | 2007年 / 36卷 / 02期
关键词：
three-dimensional; diagnosis; computed tomography; orthognathic surgery; dental occlusion; accuracy;
D O I：
10.1016/j.ijom.2006.09.019
中图分类号：
R78 [口腔科学];
学科分类号：
1003 ;
摘要：
Three-dimensional (3D) virtual planning of orthognathic surgery requires detailed visualization of the interocclusal relationship. The purpose of this study was to introduce the modification of the double computed tomography (CT) scan procedure using a newly designed 3D splint in order to obtain a detailed anatomic 3D virtual augmented model of the skull. A total of 10 dry adult human cadaver skulls were used to evaluate the accuracy of the automatic rigid registration method for fusion of both CT datasets (Maxilim(TM), version 1.3.0). The overall mean registration error was 0.1355 +/- 0.0323 nun (range 0.0760-0.1782 mm). Analysis of variance showed a registration method error of 0.0564 mm (P < 0.001; 95% confidence interval = 0.0491-0.0622). The combination of the newly designed 3D splint with the double CT scan procedure allowed accurate registration and the setup of an accurate anatomic 3D virtual augmented model of the skull with detailed dental surface.
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收藏
页码：146 / 152
页数：7
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