Imaging Science in Dentistry
- Volume 37 Issue 1
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- Pages.45-51
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- 2007
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- 2233-7822(pISSN)
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- 2233-7830(eISSN)
Three dimensional CT analysis of facial asymmetry
안면비대칭 3차원 CT 분석
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Yoon, Suk-Ja
(Department of Oral and Maxillofacial Radiology, School of Dentistry, Chonnam National University) ;
- Lim, Hoi-Jeong (Department of Orthodontics, School of Dentistry, Chonnam National University) ;
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Kang, Byung-Cheol
(Department of Oral and Maxillofacial Radiology, School of Dentistry, Chonnam National University) ;
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Hwang, Hyeon-Shik
(Department of Orthodontics, School of Dentistry, Chonnam National University)
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윤숙자
(전남대학교 치의학전문대학원 구강악안면방사선학교실) ;
- 임회정 (전남대학교 치의학전문대학원 교정학교실) ;
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강병철
(전남대학교 치의학전문대학원 구강악안면방사선학교실) ;
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황현식
(전남대학교 치의학전문대학원 교정학교실)
- Published : 2007.03.31
Abstract
Purpose : This study aimed to identify the range of normal facial asymmetry using three-dimensional CT and to develop a simple method of diagnosis of facial asymmetry. Materials and Methods : Twenty eight adults with normal occlusion (16 males and 12 females; mean age 24 years and 1 month) were selected whose faces were assessed to be symmetric by an orthodontist. Three-dimensional reconstructions were obtained utilizing spiral CT scans and an oral and maxillofacial radiologist evaluated nineteen anatomic landmarks in three-dimensional coordinates. Facial asymmetry index of each landmark was caluculated. Results : The range of normal facial asymmetry of each landmark was identified using mean and standard deviation of facial asymmetry index. Conclusions : The range of normal facial asymmetry identified in this study may be used as a diagnostic standard for facial asymmetry analysis.