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Maxillofacial 3-dimensional image analysis for the diagnosis of facial asymmetry
Hyeon-Shik Hwang1, Chung Hyon Hwang, Ki-Heon Lee
1Department of Orthodontics, College of Dentistry, Dental Science Research Institute, Chonnam National University, Dong-Gu, Gwangju 501-757, Korea. hhwang@chonnam.ac.kr
Abstract:
The advent of computed tomography has greatly reduced magnification errors from geometric distortions that are common in conventional radiographs. Recently introduced 3-dimensional (3D) software enables 3D reconstruction and quantitative measurement of the maxillofacial complex; 3D images are also useful in understanding asymmetrical structures. This article describes the use of 3D images in the diagnosis of facial asymmetry. A step-by-step procedure for 3D analysis developed by the authors is described by using the example of a 23-year-old man with a chin deviation to 1 side.
