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Comparison of collagen membrane and bone substitute as a carrier for rhBMP-2 in lateral onlay graft

Authors
 Yun-Young Chang  ;  Jung-Seok Lee  ;  Min-Soo Kim  ;  Seong-Ho Choi  ;  Jung-Kiu Chai  ;  Ui-Won Jung 
Citation
 CLINICAL ORAL IMPLANTS RESEARCH, Vol.26(1) : 13-19, 2015 
Journal Title
 CLINICAL ORAL IMPLANTS RESEARCH 
ISSN
 0905-7161 
Issue Date
2015
MeSH
Absorbable Implants ; Alveolar Process/surgery* ; Animals ; Bone Morphogenetic Protein 2/administration & dosage ; Bone Morphogenetic Protein 2/pharmacology* ; Bone Regeneration/drug effects* ; Bone Substitutes/pharmacology* ; Collagen/pharmacology* ; Dogs ; Guided Tissue Regeneration, Periodontal/methods* ; Maxilla/surgery ; Membranes, Artificial* ; Recombinant Proteins/administration & dosage ; Recombinant Proteins/pharmacology ; Transforming Growth Factor beta/administration & dosage ; Transforming Growth Factor beta/pharmacology* ; Wound Healing/physiology
Keywords
Bio-OSS ; bone morphogenetic protein 2 ; bone regeneration ; collagen ; histology
Abstract
OBJECTIVES: To evaluate the bone regenerative effect of bioresorbable collagen membrane (CM) as a carrier for recombinant human bone morphogenetic protein-2 (rhBMP-2) when performing lateral onlay grafts using bovine hydroxyapatite incorporated with collagen matrix (BHC) in combination with CM in dogs. MATERIAL AND METHODS: A guided bone regeneration (GBR) was performed at the buccal aspect of edentulous maxillary alveolar ridges in dogs (n = 5): (1) BHC group, in which rhBMP-2-loaded BHC was covered by a CM, and (2) CM group, in which BHC was covered by an rhBMP-2-loaded CM. A histologic and histometric analysis was performed after 8 weeks of healing. RESULTS: Both the BHC and CM groups exhibited substantial newly formed bone (NB). More NB was found in the CM group than in the BHC group without statistical significance. Most of the NB was in direct contact with the residual bone substitute in the BHC group, whereas the projections and islands of NB were observed in the spaces between the residual bone substitute clusters in the CM group. The bone-to-residual bone substitute contact ratio was significantly lower in the CM group than in the BHC group (P = 0.043). CONCLUSIONS: Within the limitations of this study, it can be concluded that rhBMP-2-loaded CM performed lateral onlay grafts as effectively as rhBMP-2-loaded BHC while showing less bone-residual bone substitute contact ratio in dogs. The loading of CMs with rhBMP-2 might therefore be a recommendable treatment option for facilitating lateral onlay graft combined with rhBMP-2.
Full Text
http://onlinelibrary.wiley.com/doi/10.1111/clr.12320/abstract
DOI
10.1111/clr.12320
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Periodontics (치주과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Min Soo(김민수)
Lee, Jung Seok(이중석) ORCID logo https://orcid.org/0000-0003-1276-5978
Jung, Ui Won(정의원) ORCID logo https://orcid.org/0000-0001-6371-4172
Chai, Jung Kyu(채중규)
Choi, Seong Ho(최성호) ORCID logo https://orcid.org/0000-0001-6704-6124
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/139188
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