Influence of 30% Hydrogen Peroxide Bleaching on Compomers in their Surface Modifications and Thermal Expansion
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概要
- 論文の詳細を見る
The surface modifications and the coefficient of thermal expansion of compomers after treatment with a 30% hydrogen peroxide bleaching agent were investigated. Three compomers (compoglass F, Elan and F2000) were nonbleached and bleached for 1 and 3 days. The surface modification and the coefficient of thermal expansion of each bleached compomer were evaluated using a scanning electron microscope and a thermomechanical analyzer, respectively. As a result, compoglass F and Elan showed slight surface degradation, whereas F2000 showed many cracks on its surface and these cracks were not observed in compoglass F and Elan. Bleached Elan and F2000 has changed to the extent where their the coefficient of thermal expansion increased compared with those of nonbleached specimens. In addition, bleached compomers showed a strong inverse correlation between the coefficient of thermal expansion and the volume percent of filler.
- 日本歯科理工学会の論文
著者
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KIM Hyung-Il
Department of Dental Materials, College of Dentistry and Medical Research Institute, Pusan National
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KWON Yong
Department of Dental Materials, College of Dentistry and Medical Research Institute, Pusan National
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Kim Kyo-Han
Department of Medical & Engineering, Kyungpook National Univ
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Kim Hyung-il
Pusan National Univ. Busan Kor
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Kwon Yong
Pusan National Univ. Busan Kor
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Kwon Yong
Department Of Dental Materials College Of Dentistry And Medical Research Institute Pusan National Un
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Kim Kyo-han
Medical & Biological Engineering Graduate School Kyungpook National Univ.:department Of Dental B
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Kim K‐h
Department Of Dental Biomaterials College Of Dentistry Kyungpook National University
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Kim Kyo-han
Department Of Dental Biomaterials College Of Dentistry Kyungpook National University
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Kim H‐i
Department Of Dental Materials College Of Dentistry Pusan National University
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Kim Hyung-il
Department Of Dental Materials College Of Dentistry And Medical Research Institute Pusan National Un
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Kim Hyung-il
Department Of Dental Materials College Of Dentistry Pusan University
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Kim Kyo-han
Institute For Biomaterials Research & Development Kyungpook National Univ.:department Of Dental
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JUNG Choong-Bo
Department of Dental Materials, College of Dentistry, Pusan National University
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Kwon Yong
Department Of Agricultural Biology Kyungpook National University
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Jung Choong-bo
Department Of Dental Materials College Of Dentistry Pusan National University
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