Journal of the Korean Association of Oral and Maxillofacial Surgeons

  • 제31권1호
  • /
  • Pages.55-59
  • /
  • 2005
  • /
  • 2234-7550(pISSN)
  • /
  • 2234-5930(eISSN)
대한구강악안면외과학회 (The Korean Association of Oral and Maxillofacial Surgeons)
권호 표지

하악전돌환자의 하악지시상분할골절단술 후의 원심골편의 후방경계의 골흡수에 대한 연구

A STUDY OF BONE RESORPTION AT THE POSTERIOR BORDER OF DISTAL SEGMENT AFTER BILATERAL SAGITTAL SPLIT RAMUS OSTEOTOMY OF MANIBULAR PROGNATHIC PATIENTS

  • 이용인 (성균관대학교 의과대학 삼성서울병원 구강악안면외과) ;
  • 임종환 (성균관대학교 의과대학 삼성서울병원 구강악안면외과) ;
  • 노광섭 (성균관대학교 의과대학 삼성서울병원 구강악안면외과) ;
  • 홍종락 (성균관대학교 의과대학 삼성서울병원 구강악안면외과) ;
  • 전주홍 (강남삼성치과의원) ;
  • 김창수 (성균관대학교 의과대학 삼성서울병원 구강악안면외과)
  • Lee, Yong-In (Department of Oral and Maxillofacial Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine) ;
  • Lim, Jong-Hwan (Department of Oral and Maxillofacial Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine) ;
  • Noh, Kwang-Seob (Department of Oral and Maxillofacial Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine) ;
  • Hong, Jong-Rak (Department of Oral and Maxillofacial Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine) ;
  • Jun, Ju-Hong (Kangnam Samsung Dental Clinic) ;
  • Kim, Chang-Soo (Department of Oral and Maxillofacial Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine)
  • 발행 : 2005.02.28
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초록

Purpose : This study is to predict the changes of the distal segment by investing the resorption of the excessive distal segment regarding the amount of setback after BSSRO. Material and Methods : 20 patients with Mandible prognathism treated by Obwegeser-Dal Pont method during the years 2000 to 2002 were selected for this study. Group A consisted of 5 males & 5 females with a setback amount of 10mm and above(Mean $10.80mm{\pm}1.03$, n=20) and Group B consisted of 2 males & 8 females with a setback amount of below 10mm.(Mean $6.10mm{\pm}1.10$, n=20) Panorama X-ray was taken at day 1, 1month, 3months, 6months, and 12months after the surgery. Resorption areas of excessive distal segment were measured on these panorama X-rays and compared. Results : There was bone resorption in both groups. Group A showed more bone resorption than Group B. Group B showed slightly higher resorption rate than Group A. However, there was no statistically significant difference between the resorption rates of Group A and Group B. (P>0.05). Conclusion : More bone resorption occurred with a larger amount of setback and about one third of the excessive distal segment underwent resorption, irrespective of the amount of setback.

키워드

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