Journal of the Korean Association of Oral and Maxillofacial Surgeons

The Korean Association of Oral and Maxillofacial Surgeons (대한구강악안면외과학회)
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LONG-TERM RESULTS OF VERTICAL HEIGHT AUGMENTATION GENIOPLASTY USING AUTOGENOUS ILIAC BONE GRAFT

장골 이식을 이용한 수직 증강 이부 성형술 후의 장기간 결과

  • Kim, Gi-Jung (Department of Oral and Maxillofacial Surgery, Oral Science Research Center, College of Dentistry, Yonsei University) ;
  • Park, Hyung-Sik (Department of Oral and Maxillofacial Surgery, Oral Science Research Center, College of Dentistry, Yonsei University) ;
  • Yoon, Kyu-Sik (Department of Oral and Maxillofacial Surgery, Oral Science Research Center, College of Dentistry, Yonsei University) ;
  • Lee, Eui-Wung (Department of Oral and Maxillofacial Surgery, Oral Science Research Center, College of Dentistry, Yonsei University) ;
  • Jung, Young-Soo (Department of Oral and Maxillofacial Surgery, Oral Science Research Center, College of Dentistry, Yonsei University)
  • 김기정 (연세대학교 치과대학 구강악안면외과학교실) ;
  • 박형식 (연세대학교 치과대학 구강악안면외과학교실) ;
  • 윤규식 (연세대학교 치과대학 구강악안면외과학교실) ;
  • 이의웅 (연세대학교 치과대학 구강악안면외과학교실) ;
  • 정영수 (연세대학교 치과대학 구강악안면외과학교실)
  • Published : 2005.12.31
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Abstract

Purpose: In order to clarify the clinical utility of the vertical height augmentation (VHA) genioplasty using autogenous iliac bone graft (IBG), this study examined the postsurgical changes in hard and soft tissues of the chin and the stability of the grafted bone. Patients and Methods: Twenty-three patients who had undergone VHA genioplasty using autogenous IBG were evaluated radiographically and clinically. A comparison study of the changes in hard to soft tissues after surgery in all 23 patients was performed with preoperative, 1-month, 3-months, 6-months, and/or 1-year postoperative lateral cephalograms by tracing. Stability, bone healing, and complication of the grafted bone was evaluated by follow-up roentgenograms and clinical observation. Results: Between the preoperative and 6-month postoperative tracings, an average vertical augmentation of the osseous segment was 4.2 mm at menton and that of the soft tissue menton was 4.0 mm. There was a high predictability of 1: 0.94 between the amounts of hard versus soft tissue changes with surgery in the vertical plane. The position of the genial bone segment was stable immediately after surgery and soft tissue was not changed significantly from 1 month to 1 year after operation. Clinical and radiological follow-up results of the iliac bone graft showed normal bony union and were generally stable. Conclusions: VHA genioplasty using IBG is a reliable method for predicting hard and soft tissue changes and for maintaining postoperative soft tissue of the chin after surgery.

Keywords

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