Effects of liquid phase on basic properties of α-tricalcium phosphate-based apatite cement
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概要
- 論文の詳細を見る
Effects of liquid phase on the basic properties of α-tricalcuim phosphate (α-TCP)-based cement, BIOPEX^[○!R], were investigated by employing three liquid phases: distilled water, neutral sodium hydrogen phosphate solution, and succinic acid disodium salt solution containing sodium salt of chondroitin sulfate. When mixed with neutral sodium hydrogen phosphate or succinic acid disodium salt solution, the initial setting times of the cement were 19.4±0.55 and 11.8±0.45 minutes respectively. These setting times were much shorter than that of distilled water, 88.4±0.55 minutes. Formation of needle-like crystals typical of apatite was much faster when neutral sodium hydrogen phosphate solution was used, as compared to distilled water or succinic acid disodium salt solution. Moreover, at 24 hours after mixing, the largest amount of apatite was formed when neutral sodium hydrogen phosphate solution was used, whereas use of succinic acid resulted in the least. On the final mechanical strength of the cement, that yielded with neutral sodium hydrogen phosphate solution was the highest. In contrast, lower mechanical strength was observed-especially at the initial stage-when succinic acid sodium salt was used. It was thus concluded that α-TCP-based cement allowed accelerated transformation to apatite, and that higher mechanical strength since the initial stage was achieved when neutral sodium hydrogen phosphate solution was used as the liquid phase.
- 日本歯科理工学会の論文
著者
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ODA MAKOTO
Department of General and Cardiothoracic Surgery, Kanazawa University School of Medicine
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ISHIKAWA Kunio
Department of Biomaterials, Faculty of Dental Science, Kyushu University
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Lin Xin
Department of Biomaterials, Faculty of Dental Science, Kyushu University
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TAKEUCHI Akari
Department of Biomaterials, Faculty of Dental Science, Kyushu University
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MATSUYA Shigeki
Section of Bioengineering, Department of Dental Engineering, Fukuoka Dental College
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Ishikawa Kunio
Department Of Biomaterials Faculty Of Dental Science Kyushu University
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Ishikawa Kunio
九州大学 歯学部口腔機能修復学講座
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Matsuya Shigeki
Department Of Biomaterials Faculty Of Dental Science Kyushu University
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Matsuya Shigeki
日本歯科先端技術研究所
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Takeuchi Akari
Dep. Of Biomaterials Fac. Of Dental Sci. Kyushu Univ.
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Takeuchi Akari
Department Of Biomaterials Faculty Of Dental Science Kyushu University
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Lin X
Faculty Of Engineering Hiroshima University
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Oda Makoto
Department Of Applied Biology Faculty Of Textile Science And Technology Shinshu University
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Oda Makoto
Department Of Biomaterials Faculty Of Dental Science Kyushu University:japan Institute For Advanced
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Ishikawa Kunio
Department Of Biomaterials
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Matsuya Shigeki
Section Of Bioengineering Department Of Dental Engineering Fukuoka Dental College
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Ishikawa Kunio
Section Of Biomaterials Department Of Oral Rehabilitation School Of Dentistry Kyushu University
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Ishikawa Kunio
Department of Applied Chemistry, Faculty of Engineering, Osaka Univeristy
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