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The influence of perforating the autogenous block bone and the recipient bed in dogs. Part I: a radiographic analysis.

 Kyung-Choon Oh  ;  Jae-Kook Cha  ;  Chang-Sung Kim  ;  Seong-Ho Choi  ;  Jung-Kiu Chai  ;  Ui-Won Jung 
 CLINICAL ORAL IMPLANTS RESEARCH, Vol.22(11) : 1298-1302, 2011 
Journal Title
Issue Date
Anatomy, Cross-Sectional ; Animals ; Bone Resorption/classification ; Bone Resorption/diagnostic imaging ; Bone Transplantation/diagnostic imaging ; Bone Transplantation/methods* ; Dogs ; Graft Survival ; Image Processing, Computer-Assisted/methods ; Imaging, Three-Dimensional/methods ; Male ; Maxilla/diagnostic imaging ; Maxilla/surgery* ; Organ Size ; Osteogenesis/physiology ; Osteotomy/methods ; Random Allocation ; Time Factors ; Tissue and Organ Harvesting/methods ; Transplantation, Autologous ; Wound Healing/physiology ; X-Ray Microtomography
alveolar ridge augmentation ; bone regeneration ; decortication ; dogs ; X‐ray microtomography
OBJECTIVES: This study evaluated radiographically the integration and volume maintenance of grafted autogenous block bone under various cortical bone perforation conditions in dogs. MATERIAL AND METHODS: Five mongrel dogs were used. Each dog received four differently prepared onlay block bone grafts: a solid block graft was fixed on either (1) a cortically perforated recipient bed (SGPR) or (2) a nonperforated recipient bed (SGNPR), a perforated block graft was fixed on either (3) a nonperforated recipient bed (PGNPR) or (4) a cortically perforated recipient bed (PGPR). The animals were sacrificed at 1 day, 4 days, 10 days, 4 weeks, and 8 weeks after surgery. Specimens were prepared and radiographic analysis was conducted by using micro-computed tomography. The residual bone volume (RBV; mm(3) ), cross-sectional bone area (BA; mm(2)), and residual height (RH; %) of the grafted block bone were measured radiographically. RESULTS: The interface between the recipient bed and the graft showed no signs of bone integration at 1, 4, and 10 days of healing. However, at 4 weeks of healing, bone integration was observed in all groups. The RBV, BA, and RH of the grafts gradually decreased by 4 weeks of healing. At 8 weeks, the PGPR condition exhibited a higher RBV, BA, and RH than the other conditions, whereas the SGNPR condition exhibited the lowest RBV, BA, and RH. CONCLUSION: Within the limitations of this study, it can be concluded that intentional cortical perforation on the recipient bed and block bone graft may influence volume maintenance of the graft.
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2. College of Dentistry (치과대학) > Dept. of Periodontics (치주과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Chang Sung(김창성) ORCID logo https://orcid.org/0000-0003-3902-1071
Jung, Ui Won(정의원) ORCID logo https://orcid.org/0000-0001-6371-4172
Cha, Jae Kook(차재국) ORCID logo https://orcid.org/0000-0001-6817-9834
Chai, Jung Kyu(채중규)
Choi, Seong Ho(최성호) ORCID logo https://orcid.org/0000-0001-6704-6124
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