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논문 기본 정보

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학술저널
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대한악안면성형재건외과학회 Maxillofacial Plastic Reconstructive Surgery Maxillofacial Plastic Reconstructive Surgery 제42권 제4호
발행연도
2020.1
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1 - 8 (8page)

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초록· 키워드

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Background: The purpose of this study is to compare the skeletal stability of two-jaw surgery via surgery-firstapproach with conventional two-jaw surgery in facial asymmetry patients by measuring the skeletal changes aftersurgery from a three-dimensional analysis. From January 2010 to January 2014, 40 patients with facial asymmetrywho underwent two-jaw surgery in Pusan National University Hospital were included in this study. They wereclassified into experimental group (n = 20) who underwent two-jaw surgery via surgery-first approach and controlgroup (n = 20) who underwent conventional two-jaw surgery. After selection of 24 landmarks and the constructionof horizontal and sagittal, coronal reference planes, changes in 10 linear measurements and 2 angular measurementswere compared between the surgery-first approach and conventional groups in the preoperative, immediatepostoperative, and postoperative periods. The paired t test and Student t test were used for statistical analysis. Themean and standard deviation of the measurement were calculated for the experimental and control groups. Results: The statistical analysis showed that changes in skeletal measurements were similar between the surgery-firstapproach and conventional groups, according to each period. However, U1-SRP measurement showed statisticallysignificant changes in surgery-first approach groups at postsurgical change (T1 to T2). Also, the mean treatmentduration in the treatment group was 15.9 ± 5.48 months whereas that in the control group was 32.9 ± 14.05 months. Conclusion: In facial asymmetry patients, similar results were observed in the postoperative skeletal stability when 2-jaw surgery via surgery-first approach was compared with conventional 2-jaw surgery. However, significant lateraldeviation of upper incisor midline was observed. In addition, a shorter average treatment duration was observed. Tostabilize the unstable occlusion after surgery, increased wearing of the stent and proactive rubber guidance will beneeded.

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참고문헌 (34)

참고문헌 신청
Peck H / 1970 / A concept of facial esthetics / Angle Orthod 40:284~318 google schola Zhifan Q / 2018 / One-stage treatment for maxillofacial asymmetry with orthognathic and contouring surgery using virtual surgical planning and 3D-printed surgical templates / J Plast Reconstr Surg 0:1~10 google schola Melnik AK / 1992 / A cephalometric study of mandibular asymmetry in a longitudinally followed sample of growing children / Am J Orthod Dentofacial Orthop 101:355~366 google schola Severt TR / 1997 / The prevalence of facial asymmetry in the dentofacial deformities population at the University of North Carolina / Int J Adult Orthod Orthoganth Surg 12:171~176 google schola Samman N / 1997 / Analysis of 300dentofaccial deformities in Hong Kong / Int J Adult Orthod Orthognath Surg 7:181~185 google schola

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