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III급 부정교합에서 선수술 교정치료를 통한 양악 수술 후 안정성
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  • III급 부정교합에서 선수술 교정치료를 통한 양악 수술 후 안정성
저자명
황대석,김용일,이재열,이성탁,김태훈,이주민,안경용,Hwang. Dae-Seok,Kim. Yong-Il,Lee. Jae-Yeol,Lee. Seong-Tak,Kim. Tae-Hoon,Lee. Joo-Min,Ahn. Kyung-Yong
간행물명
대한악안면성형재건외과학회지
권/호정보
2011년|33권 5호|pp.407-412 (6 pages)
발행정보
대한악안면성형재건외과학회
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

Purpose: The purpose of the present study was to evaluate the postoperative skeletal stability of two-jaw surgery (Le Fort I osteotomy and bilateral sagittal split ramus osteotomy) via surgery first orthodontic treatment (SFOT) in class III malocclusion. Methods: Thirty-two patients who had two-jaw surgery via SFOT were included in this study. Serial lateral cephalograms were obtained before (T0), immediately after (T1), and six months after (T2) surgery. Twelve variables were measured for horizontal and vertical skeletal stability as well as for dental change. All measurements were evaluated statistically by a paired t-test ($P$ <0.05). Results: The mean skeletal changes were $0.1{pm}2.5$ mm at point A and $-12.0{pm}7.4$ mm at the pogonion. The mean horizontal relapse was 11.6% at the pogonion, and the mean vertical surgical changes included an upward displacement of $2.1{pm}7.1$ mm and a forward displacement of $1.4{pm}4.6$ mm at the pogonion. Upper incisor inclination decreased after surgery and was maintained at T2, and lower incisors were proclined from T1 to T2 by postsurgical orthodontic treatment. Conclusion: Postoperative skeletal stability of two-jaw surgery via surgery first orthodontic treatment in class III malocclusion was clinically acceptable.