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Comparative evaluation of three calcium phosphate synthetic block bone graft materials for bone regeneration in rabbit calvaria

Authors
 Ji-Wan Hwang ; Jae-Sub Park ; Seong-Ho Choi ; Yong-Keun Lee ; Kyoo-Sung Cho ; Chang-Sung Kim ; Ui-Won Jung ; Jung-Seok Lee 
Citation
 Journal of Biomedical Materials Research Part B-Applied Biomaterials, Vol.100(8) : 2044~2052, 2012 
Journal Title
 Journal of Biomedical Materials Research Part B-Applied Biomaterials 
ISSN
 1552-4973 
Issue Date
2012
Abstract
Various synthetic materials were developed to be used for implant dentistry and periodontal treatments. Among the various synthetic bone substitutes, calcium phosphate ceramics have been extensively investigated because their mineral chemistry resembles that of human bone. We evaluated the regeneration of three calcium phosphate synthetic block bone grafts in rabbit calvarial noncritical size defects. Four 8-mm-diameter defects were created in each rabbit (N = 10). Three defects, hydroxyapatite (HA), beta-tricalcium phosphate (β-TCP), and biphasic calcium phosphate (BCP), were randomly filled with one of three fabricated synthetic block bone graft materials. The fourth defect was filled with blood clots. Specimens were harvested at 4 and 8 weeks postsurgery. Histological and histometrical findings indicated that all three calcium phosphate block bone graft materials were able to maintain space significantly better than the control group at both 4 and 8 weeks. In the BCP group, the amount of newly formed bone was increased more than for the other groups. Additionally, β-TCP showed a large resorption of graft materials after 4 weeks postsurgery, while there were only small resorption for HA and BCP.
URI
http://ir.ymlib.yonsei.ac.kr/handle/22282913/90631
DOI
10.1002/jbm.b.32768
Appears in Collections:
1. 연구논문 > 2. College of Dentistry > Dept. of Periodontology
1. 연구논문 > 2. College of Dentistry > Dept. of Dental Engineering
Yonsei Authors
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Link
 http://onlinelibrary.wiley.com/doi/10.1002/jbm.b.32768/abstract
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