Observation of calcium phosphate powder mixed with an adhesive monomer experimentally developed for direct pulp capping and as a bonding agent
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概要
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In this study, morphological shape, elemental distribution and elution properties of Ca, P, Mg in four types of calcium phosphate powder were investigated using SEM, EPMA and ICP-AES. Calcium phosphate powder: OHAp, DCPD, β-TCP and OCP were observed in the white powder form and in the photopolymerized adhesive monomer they scattered like dispersed fillers in resin composite. In elemental analysis, CaKα showed a relatively high concentration in relation to PKα. In elution analysis, each calcium phosphate showed different elution of Ca and P. But Mg was almost equal to the detection limit of ICP-AES. Namely it was suggested that reparative dentin formation was effectively promoted under the following conditions: a calcification promoting effect by direct contact of the calcium phosphate powder, an ionic effect of Ca and P eluted from the powder located in the vicinity of the exposed pulp and environmental pH change of the surface in exposed pulp.
- 2010-01-01
著者
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KATOH Yoshiroh
Department of Operative Dentistry, School of Life Dentistry at Niigata, The Nippon Dental University
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SUZUKI Masaya
Department of Operative Dentistry, School of Life Dentistry at Niigata, The Nippon Dental University
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KATO Chikage
Department of Operative Dentistry, School of Life Dentistry at Niigata, The Nippon Dental University
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SHINKAI Koichi
Department of Operative Dentistry, School of Life Dentistry at Niigata, The Nippon Dental University
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OGAWA Masaaki
Research Center for Odontology, School of Life Dentistry at Tokyo, The Nippon Dental University
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YAMAUCHI Junichi
Department of Operative Dentistry, School of Life Dentistry at Niigata, The Nippon Dental University
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Katoh Y
Department Of Operative Dentistry School Of Life Dentistry At Niigata The Nippon Dental University
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Katoh Yoshiroh
日本歯科大学新潟病院 矯正歯科
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Katoh Yoshiroh
Department Of Operative Dentistry The Nippon Dental University School Of Dentistry At Niigata
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Katoh Yoshiroh
Department Of Operative Dentistry School Of Dentistry At Niigata The Nippon Dental University
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Kato Chikage
Department Of Operative Dentistry School Of Life Dentistry At Niigata The Nippon Dental University
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Shinkai Koichi
Department Of Operative Dentistry School Of Life Dentistry At Niigata The Nippon Dental University
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Shinkai Koichi
Department Of Operative Dentistry The Nippon Dental University School Of Dentistry At Niigata
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Shinkai Koichi
Department Of Operative Dentistry School Of Dentistry At Niigata The Nippon Dental University
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Ogawa Masaaki
Research Center For Odontology School Of Life Dentistry At Tokyo The Nippon Dental University
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Suzuki Masaya
Department Of Operative Dentistry School Of Life Dentistry At Niigata The Nippon Dental University
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Suzuki Masaya
Department Of Electrical And Electronic Engineering Faculty Of Engineering And Resource Science Akit
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Yamauchi Junichi
Department Of Operative Dentistry School Of Life Dentistry At Niigata The Nippon Dental University
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Yamauchi Junichi
Department Of Gastroenterology And Hepatology Kyoto University Graduate School Of Medicine
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Suzuki Masaya
Department Of Crop Physiology Faculty Of Agriculture Hokkaido University
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