Maxillofacial Plastic and Reconstructive Surgery

  • 제33권5호
  • /
  • Pages.407-412
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  • 2011
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  • 2288-8101(pISSN)
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  • 2288-8586(eISSN)
대한악안면성형재건외과학회 (Korean Association of Maxillofacial Plastic and Reconstructive Surgeons)
권호 표지

III급 부정교합에서 선수술 교정치료를 통한 양악 수술 후 안정성

Evaluation of Skeletal Stability Following Two-jaw Surgery via Surgery First Orthodontic Treatment in Class III Malocclusion

  • 황대석 (부산대학교 치의학전문대학원 구강악안면외과) ;
  • 김용일 (부산대학교 치의학전문대학원 치과교정과) ;
  • 이재열 (부산대학교 치의학전문대학원 구강악안면외과) ;
  • 이성탁 (부산대학교 치의학전문대학원 구강악안면외과) ;
  • 김태훈 (부산대학교 치의학전문대학원 구강악안면외과) ;
  • 이주민 (부산대학교 치의학전문대학원 구강악안면외과) ;
  • 안경용 (부산대학교 치의학전문대학원 구강악안면외과)
  • Hwang, Dae-Seok (Department of Oral and Maxillofacial Surgery, Pusan National University) ;
  • Kim, Yong-Il (Department of Orthodontics, Pusan National University) ;
  • Lee, Jae-Yeol (Department of Oral and Maxillofacial Surgery, Pusan National University) ;
  • Lee, Seong-Tak (Department of Oral and Maxillofacial Surgery, Pusan National University) ;
  • Kim, Tae-Hoon (Department of Oral and Maxillofacial Surgery, Pusan National University) ;
  • Lee, Joo-Min (Department of Oral and Maxillofacial Surgery, Pusan National University) ;
  • Ahn, Kyung-Yong (Department of Oral and Maxillofacial Surgery, Pusan National University)
  • 투고 : 2011.06.02
  • 심사 : 2011.08.11
  • 발행 : 2011.09.30
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초록

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.

키워드

참고문헌

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