Three-Dimensional Color Maps: A Novel Tool for Assessing Craniofacial Changes

被引:16
作者
Jayaratne, Yasas S. N. [1 ]
Zwahlen, Roger A. [1 ]
Lo, John [1 ]
Cheung, Lim K. [1 ]
机构
[1] Univ Hong Kong, Fac Dent, Discipline Oral & Maxillofacial Surg, Hong Kong, Hong Kong, Peoples R China
关键词
imaging; three dimensional; surgery; computer assisted; photogrammetry; cone-beam computed tomography; color maps; SUPERIMPOSITION; MODELS;
D O I
10.1177/1553350610370752
中图分类号
R61 [外科手术学];
学科分类号
摘要
Introduction. Three-dimensional (3D) color maps are useful for analyzing data acquired by laser scanning, stereophotography, or computed tomography (CT). The authors aim to illustrate the different applications of color maps in the craniomaxillofacial region. Methods. The images obtained from the above techniques at 2 different time points are superimposed based on a common area unaffected by the surgical intervention or growth. Using specialized software, the distance differences between the 2 superimposed images are depicted in a graphical format as a 3D color map. A color-coded scale indicating the distances accompanies these maps. Results. 3D color maps can be manipulated and viewed in a variety of angles to extract the maximum diagnostic information. They facilitate the critical evaluation of facial asymmetry, accuracy of fusing CT and 3D photo data sets, and postsurgical changes. Conclusion. 3D color maps aid the objective assessment of craniofacial structures while enhancing visual comprehension and communication with patients.
引用
收藏
页码:198 / 205
页数:8
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