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Effect of particle size on new bone formation in vivo using calcium phopshate glass

Authors
 Hyun Ju Moon  ;  Racquel Z. LeGeros  ;  Kyoung Nam Kim  ;  Kwang Mahn Kim  ;  Seong Ho Choi  ;  Chong Kwan Kim  ;  Yong Keun Lee 
Citation
 Key Engineering Materials, Vol.330~332 : 165-168, 2007 
Journal Title
 Key Engineering Materials 
ISSN
 1013-9826 
Issue Date
2007
Abstract
The purpose of this study was to compare the bone regenerative effect of calcium phosphate glass according to the particle size in vivo. We prepared two different sizes, that is 400 μm and 40 μm, of calcium phosphate glass powder using the system CaO-CaF2-P2O5-MgO-ZnO. Critical-sized calvarial defects were created in 60 male Sprague-Dawley rats. The animals were divided into 3 groups of 20 animals each. Each defect was filled with a constant weight of 0.5 g calcium phosphate glass powder mixed with saline. As controls, the defect was left empty. The rats were sacrificed 2 or 8 weeks after postsurgery, and the results were evaluated using histological as well as histomorphometrical studies. The particle size of the calcium phosphate was crucial; 400 μm particles promoted new bone formation, while 40 μm particles inhibited it because of severe inflammation.
Full Text
http://www.scientific.net/KEM.330-332.165
DOI
10.4028/www.scientific.net/KEM.330-332.165
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Periodontics (치주과학교실) > 1. Journal Papers
2. College of Dentistry (치과대학) > Dept. of Dental Biomaterials and Bioengineering (치과생체재료공학교실) > 1. Journal Papers
Yonsei Authors
Kim, Kyoung Nam(김경남)
Kim, Kwang Mahn(김광만) ORCID logo https://orcid.org/0000-0002-5235-0294
Kim, Chong Kwan(김종관)
Lee, Yong Keun(이용근)
Choi, Seong Ho(최성호) ORCID logo https://orcid.org/0000-0001-6704-6124
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/96754
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