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In vivo response of bioactive PMMA-based bone cement modified with alkoxysilane and calcium acetate
http://hdl.handle.net/10228/2878
http://hdl.handle.net/10228/28783e57809f-35fe-4a9e-9964-58fb8cd6eb87
名前 / ファイル | ライセンス | アクション |
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0885328207081694.pdf (26.7 MB)
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Item type | 学術雑誌論文 = Journal Article(1) | |||||||||||
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公開日 | 2009-12-11 | |||||||||||
資源タイプ | ||||||||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||||||||
資源タイプ | journal article | |||||||||||
タイトル | ||||||||||||
タイトル | In vivo response of bioactive PMMA-based bone cement modified with alkoxysilane and calcium acetate | |||||||||||
言語 | ||||||||||||
言語 | eng | |||||||||||
著者 |
Sugino, A.
× Sugino, A.× Ohtsuki, C.× 宮崎, 敏樹
WEKO
6369
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抄録 | ||||||||||||
内容記述タイプ | Abstract | |||||||||||
内容記述 | The use of polymethylmethacrylate (PMMA)-based bone cement is popular in orthopedics for the fixation of artificial joints with bone. However, it has a major problem with prostheses loosening because of coverage by fibrous tissue after long-term implantation. Recently, a bioactive bone cement has been developed that shows direct bonding to living bone through modification of PMMA resin with -methacryloxypropyltrimethoxysilane (MPS) and calcium acetate. The cement is designed to exhibit bioactivity, through incorporation of silanol groups and calcium ions. Thus, it has the potential to form a layer of bone-like hydroxyapatite, which is essential for achieving direct bonding to living bone. This type of modification allows the cement to show spontaneous hydroxyapatite formation on its surface in a simulated body fluid after one day, and there is evidence of osteoconduction of the cement in rabbit tibia for periods of more than three weeks. However, the influence of the dissolved ions from the modified cement has not yet been clarified. Thus, the authors focused on the dissolution of the modified PMMA-based bone cement and its tissue response in muscle and bone by comparison with the behavior of non-modified PMMA-based bone cement. One week after implantation in the latissimus dorsi of a rabbit, the modified PMMA-based bone cement showed more inflammatory width than the commercial cement. However, four weeks after implantation, the inflammatory width of both cements was essentially the same. The osteoconductivity around the modified cement was higher than that for the conventional cement after four weeks implantation. These results indicate that the initial dissolution of calcium acetate from the modified cement to form the hydroxyapatite induced the acute inflammation around tissue, but also developed the osteoconductivity. It is suggested that the initial inflammation can be effective for inducing osteoconduction through a bone healing reaction when the material provides an environment that promotes bone formation. | |||||||||||
書誌情報 |
Journal of Biomaterials Applications 巻 23, 号 3, p. 213-228, 発行日 2008-11 |
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出版社 | ||||||||||||
出版者 | Sage Publications | |||||||||||
DOI | ||||||||||||
関連タイプ | isVersionOf | |||||||||||
識別子タイプ | DOI | |||||||||||
関連識別子 | https://doi.org/10.1177/0885328207081694 | |||||||||||
ISSN | ||||||||||||
収録物識別子タイプ | ISSN | |||||||||||
収録物識別子 | 0885-3282 | |||||||||||
著作権関連情報 | ||||||||||||
権利情報 | All rights reserved ©SAGE Publications | |||||||||||
著作権関連情報 | ||||||||||||
権利情報 | The final, definitive version of this paper has been published in Journal of Biomaterials Applications, Vol.23 Issue.3 Nov, 2008 by SAGE Publications Ltd. | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | Bone cement | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | Polymethylmethacrylate | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | Bioactivity | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | Tissue response | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | Hydroxyapatite | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | Calcium acetate | |||||||||||
出版タイプ | ||||||||||||
出版タイプ | AM | |||||||||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||||||||
査読の有無 | ||||||||||||
値 | yes | |||||||||||
研究者情報 | ||||||||||||
https://hyokadb02.jimu.kyutech.ac.jp/html/323_ja.html | ||||||||||||
連携ID | ||||||||||||
62 | ||||||||||||
業績ID | ||||||||||||
0024248F0BBD47EF492575430026B64D | ||||||||||||
著者別名 | ||||||||||||
姓名 | Miyazaki, Toshiki | |||||||||||
言語 | en | |||||||||||
姓名 | 宮崎, 敏樹 | |||||||||||
言語 | ja | |||||||||||
姓名 | ミヤザキ, トシキ | |||||||||||
言語 | ja-Kana | |||||||||||
情報源 | ||||||||||||
識別子タイプ | URI | |||||||||||
関連識別子 | http://jba.sagepub.com/cgi/content/abstract/23/3/213 | |||||||||||
関連名称 | http://jba.sagepub.com/cgi/content/abstract/23/3/213 |