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KMID : 1025720160350020078
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Journal of Dental Implant Research
2016 Volume.35 No. 2 p.78 ~ p.84
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Sandwich osteotomy and bone augmentation for implant placement on Mandibular bone defect by trauma
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Kim Jeong-Hwan
Lim Seong-Un
Lee Ji-Seon
Lee Ho
Shin Dong-Whan
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Abstract
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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.
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KEYWORD
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Sandwich osteotomy, Alveolar bone augmentation, Symphysis bone graft, Vestibuloplasty
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