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논문 기본 정보

자료유형
학술저널
저자정보
Yoon, Suk-Ja (Department of Oral and Maxillofacial Radiology, School of Dentistry, Dental Science Research Institute, Chonnam National University) Wang, Rui-Feng (Department of Biologic and Material Sciences, School of Dentistry, University of Michigan) Hwang, Hyeon-Shik (Department of Orthodontics, 2nd Stage of Brain Korea 21, School of Dentistry, Dental Science Research Institute, Chonnam National University) Kang, Byung-Cheol (Department of Oral and Maxillofacial Radiology, School of Dentistry, Dental Science Research Institute, Chonnam National University) Lee, Jae-Seo (Department of Oral and Maxillofacial Radiology, School of Dentistry, Chonnam National University) Palomo, Juan Martin (Department of Orthodontics, School of Dental Medicine, Case Western Reserve University)
저널정보
대한영상치의학회 Imaging science in dentistry Imaging science in dentistry 제41권 제3호
발행연도
2011.1
수록면
95 - 100 (6page)

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Purpose : The purpose of this study was to compare asymmetric mandibular prognathism individuals with symmetric mandibular prognathism individuals using a new alternate spherical coordinate system. Materials and Methods : This study consisted of 47 computed tomographic images of patients with mandibular prognathism. The patients were classified into symmetric and asymmetric groups. Mandibular and ramal lines were analyzed using an alternate spherical coordinate system. The length as well as midsagittal and coronal inclination angle of the lines was obtained. The bilateral differences of the spherical coordinates of the facial lines were statistically analyzed in the groups. Results : There were significant differences between the groups in bilateral difference of the length and midsagittal inclination angle of the lines (p<0.05). The bilateral difference of the length and midsagittal inclination angle of the lines has significant correlation with chin deviation (p<0.05). Conclusion : The new alternate spherical coordinate system was able to effectively evaluate facial lines. The bilateral difference of lengths and midsagittal inclination of the facial lines might contribute to the facial asymmetry in mandibular prognathism individuals.

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