Strengthening of Calcium Phosphate Cement by Compounding Calcium Carbonate Whiskers
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概要
- 論文の詳細を見る
The purpose of this study was to investigate how aragonite (calcium carbonate) whiskers influenced the strengthening and carbonating of α-tricalcium phosphate (α-TCP) based calcium phosphate cement. Aragonite whiskers of 0.95 μm width with an aspect ratio of 6.6 were prepared. The cement powder, α-TCP containing 0-50 mass% aragonite whisker, was mixed with 0.6 mol/L NaH_2PO_4 solution and incubated at 37℃ and 100% relative humidity. Diametral tensile strength (DTS) value increased significantly when appropriate amount of aragonaite whiskers was added. For example, DTS value of set cement containing 20 mass% aragonite whisker was 5.8±0.5 MPa, whereas DTS value of set cement containing no whiskers was 1.3±0.2 MPa after 1-week incubation. SEM observation revealed that the shape of the whiskers and the densification of the structure could have contributed to the strengthening of the set cement. Moreover, FTIR spectra implied that a bone-like carbonated apatite was precipitated in the cement. The results obtained in the present study revealed that the shape as well as any slight dissolution of aragonite whiskers could contribute to improving the properties of α-TCP based calcium phosphate cement.
- 日本歯科理工学会の論文
著者
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ASAOKA Kenzo
Department of Biomaterials and Bioengineering, The University of Tokushima Graduate School of Oral S
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Asaoka K
Tokushima Univ. Tokushima Jpn
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Asaoka Kenzo
Univ. Tokushima Graduate School Of Oral Sci. Tokushima Jpn
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Asaoka Kenzo
Department Of Biomaterials And Bioengineering Institute Of Health Biosciences The University Of Toku
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Asami K
Institute For Materials Research Tohoku University
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KON Masayuki
Department of Dental Engineering, School of Dentistry, Tokushima University
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Hirakata Luciana
Department Of Prosthodontics School Of Dentistry Pontifical Catholic University Of Rio Grande Do Sul
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Asaoka K
Department Of Biomaterials And Bioengineering Course Of Maxillo-oral And Regenerative Medicine Insti
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Kon Masayuki
Department Of Biomaterials And Bioengineering Course Of Maxillo-oral And Regenerative Medicine Insti
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Miyamoto Youji
Dep. Of Therapic Regulation For Oral Tumors Inst. Of Health Biosciences The Univ. Of Tokushima Gradu
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Miyamoto Youji
Division Of Dentistry And Oral Surgery School Of Medicine Akita University
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Kasahara H
Department Of Electronic Engineering Faculty Of Engineering Kobe University
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KASAHARA Hidemitsu
Department of Research and Development, Maruo Calcium Co.
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Kon Masayuki
徳島大学 歯 歯理工
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Miyamoto Y
Division Of Cardiovascular Surgery And Anesthesiology Sakurabashi-watanabe Hospital
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Miyamoto Youji
Division Of Dentistry And Oral Surgery Akita University School Of Medicine
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Kon M
Department Of Biomaterials And Bioengineering Course Of Maxillo-oral And Regenerative Medicine Insti
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Kon Masayuki
Department Of Dental Engineering School Of Dentisby Tokushima University
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Kasahara Hidemitsu
Department Of Research And Development Maruo Calcium Co.
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Asaoka Kenzo
Department Of Biomaterials & Bioengineering Institute Of Health Biosciences The University Of Tokushima Graduate School
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Hirakata LM
Department of Prosthodontics, Faculty of Odontology, Pontifical Catholic University of Rio Grande do Sul
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