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논문 기본 정보

자료유형
학술저널
저자정보
Lee, Hee Jin (School of Dentistry, Dental Science Research Institute, Chonnam National University) Lee, Sungeun (School of Dentistry, Dental Science Research Institute, Chonnam National University) Lee, Eun Joo (Department of Oral Anatomy, School of Dentistry, Dental Science Research Institute, Chonnam National University) Song, In Ja (Department of Nursing, Kwangju Women's 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, Dental Science Research Institute, Chonnam National University) Lim, Hoi-Jeong (Department of Orthodontics, School of Dentistry, Dental Science Research Institute, Chonnam National University) Yoon, Suk-Ja (Department of Oral and Maxillofacial Radiology, School of Dentistry, Dental Science Research Institute, Chonnam National University)
저널정보
대한영상치의학회 Imaging science in dentistry Imaging science in dentistry 제46권 제1호
발행연도
2016.1
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33 - 38 (6page)

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Purpose: Facial asymmetry has been measured by the severity of deviation of the menton (Me) on posteroanterior (PA) cephalograms and three-dimensional (3D) computed tomography (CT). This study aimed to compare PA cephalograms and 3D CT regarding the severity of Me deviation and the direction of the Me. Materials and Methods: PA cephalograms and 3D CT images of 35 patients who underwent orthognathic surgery (19 males and 16 females, with an average age of $22.1{\pm}3.3years$) were retrospectively reviewed in this study. By measuring the distance and direction of the Me from the midfacial reference line and the midsagittal plane in the cephalograms and 3D CT, respectively, the x-coordinates ($x_1$ and $x_2$) of the Me were obtained in each image. The difference between the x-coordinates was calculated and statistical analysis was performed to compare the severity of Me deviation and the direction of the Me in the two imaging modalities. Results: A statistically significant difference in the severity of Me deviation was found between the two imaging modalities (${\Delta}x=2.45{\pm}2.03mm$, p<0.05) using the one-sample t-test. Statistically significant agreement was observed in the presence of deviation (k=0.64, p<0.05) and in the severity of Me deviation (k=0.27, p<0.05). A difference in the direction of the Me was detected in three patients (8.6%). The severity of the Me deviation was found to vary according to the imaging modality in 16 patients (45.7%). Conclusion: The measurement of Me deviation may be different between PA cephalograms and 3D CT in some patients.
#Facial Asymmetry #Anatomic Landmarks #Tomography #X-Ray Computed

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참고문헌 (23)

참고문헌 신청
Grummons DC / 1987 / A frontal asymmetry analysis / J Clin Orthod 21:448~465 google schola Haraguchi S / 2002 / Facial asymmetry in subjects with skeletal Class III deformity / Angle Orthod 72:28~35 google schola Ferguson JW / 1993 / Cephalometric interpretation and assessment of facial asymmetry secondary to congenital torticollis. The significance of cranial base reference lines / Int J Oral Maxillofac Surg 22:7~10 google schola Ahn JS / 2001 / Relationship between perception of facial asymmetry and posteroanterior cephalometric measurements / Korean J Orthod 31:489~498 google schola Hwang HS / 2006 / Maxillofacial 3-dimensional image analysis for the diagnosis of facial asymmetry / Am J Orthod Dentofacial Orthop 130:779~785 google schola

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