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Simultaneous Block Bone Grafting Using "L-Shaped Notch" Preparation in Mandible: Case Series and 1-Year Follow-up

 Lee, Dong-Woon ; Lee, Jin-Wook ; Yu, Jeoung-A ; Choi, Seong-Ho DDS ; Kang, Kyung Lhi ; Lim, Hyun-Chang 
 Implant Dentistry, Vol.24(5) : 625~630, 2015 
Journal Title
 Implant Dentistry 
Issue Date
PURPOSE: A novel autogenous block bone grafting technique with simultaneous placement of dental implants is described for several cases of horizontal ridge augmentation. METHODS: Seven patients with a mandibular horizontal ridge that was inadequate for proper implant placement were included in this study. Simultaneous implant placement and autogenous block bone grafting was planned; we designed the "L-shaped notch" preparation of the recipient site for the additional fixation with only 1 screw. This new technique also required minimal size of autogenous block bone. RESULTS: In total, 11 implants and final restorations were delivered in 7 patients. The dehiscence defects were covered successfully (79.70 ± 5.58%; 2.26 ± 0.68 mm) at the uncover surgery. The marginal bone loss was 0.50 ± 0.26 mm on the mesial side and 0.58 ± 0.23 mm on the distal side. The outcomes were satisfactory clinically and radiographically during the 1-year follow-up. CONCLUSION: Although additional studies, with more than 7 patients, are needed to evaluate the L-shaped notch preparation, this was effective to accomplish horizontal ridge augmentation simultaneously with the placement of dental implants using the minimal size of autogenous block bone.
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1. 연구논문 > 2. College of Dentistry > Dept. of Periodontology
Yonsei Authors
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