외상으로 인한 하악골 소실 후 임플란트 식립을 위한 샌드위치 골절단 및 골이식술
Sandwich osteotomy and bone augmentation for implant placement on Mandibular bone defect by trauma
김정환, 임성언, 이지선, 이호, 신동환,
소속 상세정보
김정환 ( Kim Jeong-Hwan ) - 서울대학교 보라매병원 구강악안면외과
임성언 ( Lim Seong-Un ) - 서울대학교 보라매병원 구강악안면외과
이지선 ( Lee Ji-Seon ) - 서울대학교 치의학대학원 구강악안면외과학교실
이호 ( Lee Ho ) - 서울대학교 보라매병원 구강악안면외과
신동환 ( Shin Dong-Whan ) - 서울대학교 치의학대학원 구강악안면외과학교실
KMID : 1025720160350020078
Abstract
The purpose of this study is to report the result of sandwich osteotomy and bone graft with implant installation for patient who had bony defect on anterior mandible by trauma. 29 years old male patient had severe bone defect and tooth loss on anterior mandible due to trauma. For alveolar bone augmentation, Sandwich osteotomy with mandibular symphysis block bone and xeno bone graft were performed. After alveolar bone augmentation, vestibuloplasty was performed due to shallow lower vestibule and dental implants were placed on anterior mandible. After sandwich technique, sufficient vertical bone height increase (10 mm) for dental implants was obtained. The little amount of bone resorption (1 mm) was found on 7 months follow-up after sandwich augmentation and implants were installed on anterior mandible. Implants were stable and no bone resorption was found on 9 months follow-up after implant installation. The result shows proper rehabilitation prognosis with functional and aesthetical improvements . The sandwich osteotomy with mandibular symphysis bone graft can be a good alternative technique for the patient who had severe bony defect on anterior mandible.
키워드
Sandwich osteotomy; Alveolar bone augmentation; Symphysis bone graft; Vestibuloplasty
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