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Determination of midsagittal plane for evaluation of facial asymmetry using three-dimensional computed tomography
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  • Determination of midsagittal plane for evaluation of facial asymmetry using three-dimensional computed tomography
  • Determination of midsagittal plane for evaluation of facial asymmetry using three-dimensional computed tomography
저자명
Kim. Tae-Young,Baik. Jee-Seon,Park. Joo-Young,Chae. Hwa-Sung,Huh. Kyung-Hoe,Choi. Soon-Chul
간행물명
Imaging science in dentistry
권/호정보
2011년|41권 2호|pp.79-84 (6 pages)
발행정보
대한구강악안면방사선학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

Purpose : The aim of the present study was to investigate the disagreement of cephalometric analysis depending on the reference determination of midsagittal plane on three-dimensional computed tomography. Materials and Methods : A total of 102 young women with class III dentofacial deformity were evaluated using three-dimensional computed tomography. The cranial and facial midsagittal planes were defined and the amounts of jaw deviation were calculated. The amounts of jaw deviation were compared with paired t-test (2-tailed) and Bland-Altman plot was drawn. Results : The landmark tracing were reproducible ($r{ge}.978$). The jaws relative to the cranial midsagittal plane were 10-17 times more significantly deviated than to the facial midsagittal plane (P<.001). Bland-Altman plot demonstrated that the differences between the amounts of jaw deviation from two midsagittal planes were not normally distributed versus the average of the amounts of jaw deviation from two midsagittal planes. Conclusion : The cephalometric analyses of facial asymmetry were significantly inconsistent depending on the reference determination of midsagittal plane. The reference for midsagittal plane should be carefully determined in three-dimensional cephalometric analysis of facial asymmetry of patients with class III dentofacial deformity.