Effects of Added Sodium Alginate on Mechanical Strength of Apatite Cement
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概要
- 論文の詳細を見る
Effects of added sodium alginate on the mechanical strength of Biopex^[○!R], one type of apatite cement, were investigated since sodium alginate addition is very effective for Biopex^[○!R] to acquire anti-washout property. Addition of sodium alginate into the liquid phase of Biopex^[○!R] resulted in a slower transformation to apatitic monolith. As a result, mechanical strength of set Biopex^[○!R] in terms of diametral tensile strength (DTS) decreased when it was hardened in an incubator kept at 37℃ and 100% relative humidity for 7 days. However, DTS value increased with increase in the amount of added sodium alginate when the Biopex^[○!R] paste was immersed in 0.9% saline at 37℃ for 7 days. Set Biopex^[○!R] with less sodium alginate also showed larger porosity. Based on these findings, we concluded that added sodium alginate was effective in increasing the mechanical strength of Biopex by inhibiting liquid penetration into its paste when it is exposed to body fluids.
- 日本歯科理工学会の論文
著者
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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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TAJIMA Shinya
Japan Institute for Advanced Dentistry
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KISHI Yuji
Japan Institute for Advanced Dentistry
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Ishikawa Kunio
Department Of Biomaterials
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NISHIMOTO Norihiko
Japan Institute for Advanced Dentistry
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Ishikawa Kunio
Department of Applied Chemistry, Faculty of Engineering, Osaka Univeristy
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