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In Vivo Evaluation of CaO SiO2 P2O5 B2O3 Glass-ceramics Coating on Steinman Pin

Cited 6 time in Web of Science Cited 8 time in Scopus
Authors
Lee, Jae Hyup; Hong, Kug Sun; Baek, Hae-Ri; Seo, Jun-Hyuk; Lee, Kyung Mee; Ryu, Hyun-Seung; Lee, Hyun-Kyung
Issue Date
2013-07
Publisher
International Center for Artificial Organs and Transplantation and Wiley Periodicals, Inc.
Citation
Artificial Orgnas Vol.37 No.7, pp. 656-662
Keywords
복합학CaO-SiO2-P2O5-B2O3 glass ceramicsIn vivo studyOsseointegrationOsteoconductivity
Abstract
Surface coating using ceramics improves the bone bonding strength of an implant. We questioned whether a new type of glass-ceramics (BGS-7) coating (CaO-SiO2-P2O5-B2O3) would improve the osseointegration of Steinman pins (S-pins) both biomechanically and histomorphometrically. An in vivo study was performed using rabbits by inserting three S-pins into each iliac bone. The pins were 2.2-mm S-pins with a coating of 30-μm-thick BGS-7 and 550-nm-thick hydroxyapatite (HA), as opposed to an S-pin without coating. A tensile strength test and histomorphometrical evaluation was performed. In the 2-week group, the BGS-7 implant showed a significantly higher tensile strength than the S-pin. In the 4- and 8-week groups, the BGS-7 implants had significantly higher tensile strengths than the S-pins and HA implants. The histomorphometrical study revealed that the BGS-7 implant had a significantly higher contact ratio than the S-pin and HA implants in the 4-week group. The biomechanical and histomorphometrical tests showed that the BGS-7 coating had superior bone bonding properties than the groups without the coating from the initial stage of insertion. The BGS-7 coating of an S-pin will enhance the bone bonding strength, and there might also be an advantage in human bone bonding.
ISSN
0160-564X
Language
English
URI
http://hdl.handle.net/10371/90958
DOI
https://doi.org/10.1111/aor.12040
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College of Medicine/School of Medicine (의과대학/대학원)Dept. of Medicine (의학과)Journal Papers (저널논문_의학과)
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