Fabrication of carbonate apatite block based on internal dissolution-precipitation reaction of dicalcium phosphate and calcium carbonate
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概要
- 論文の詳細を見る
In this study, we investigated a novel method for fabrication of carbonate apatite block without ionic movement between precursor and solution by using precursor that includes all constituent ions of carbonate apatite. A powder mixture prepared from dicalcium phosphate anhydrous and calcite at appropriate Ca/P ratios (1.5, 1.67 and 1.8) was used as starting material. For preparation of specimens, the slurry made from the powder mixture and distilled water was packed in a split stainless steel mold and heat-treated, ranging from 60°C to 100°C up to 48 hours at 100% humidity. It appeared that carbonate apatite could be obtained above 70°C and monophasic carbonate apatite could be obtained from the powder mixture at Ca/P ratio of 1.67. Carbonate content of the specimen was about 5–7%. Diametral tensile strength of the carbonate apatite blocks slightly decreased with increasing treatment temperature. The decrease in diametral tensile strength is thought to be related to the crystal size of the carbonate apatite formed.
- 日本歯科理工学会の論文
- 2010-05-01
著者
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MARUTA Michito
Department of Biomaterials, Faculty of Dental Science, Kyushu University
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ISHIKAWA Kunio
Department of Biomaterials, Faculty of Dental Science, Kyushu University
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Tsuru Kanji
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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DAITOU Fumikazu
Department of Biomaterials, Faculty of Dental Science, Kyushu University
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KAWACHI Giichiro
Department of Biomaterials, Faculty of Dental Science, Kyushu University
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TERADA Yoshihiro
Department of Fixed Prosthodontics, Faculty of Dental Science, Kyushu University
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Tsukiyama Yoshihiro
Div. Of Oral Rehabilitation Fac. Of Dental Sci. Kyushu Univ.
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Terada Yoshihiro
Department Of Fixed Prosthodontics Faculty Of Dental Science Kyushu University
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Daitou Fumikazu
Department Of Biomaterials Faculty Of Dental Science Kyushu University
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Tsuru Kanji
Department Of Biomaterials Faculty Of Dental Science Kyushu University
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Ishikawa Kunio
Department Of Biomaterials
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Maruta Michito
Department Of Biomaterials Faculty Of Dental Science Kyushu University
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Tsukiyama Yoshihiro
Department Of Fixed Prosthodontics Faculty Of Dental Science Kyushu University
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Kawachi Giichiro
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
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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