Effect of Polishing on Cyclic Fatigue Strength of CAD/CAM Ceramics
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概要
- 論文の詳細を見る
The biaxial flexural strength and cyclic fatigue biaxial flexural strength of CAD/CAM ceramics polished with #220, 400, 600 and 1000 diamond pads were measured in an effort to determine the effect of surface roughness on fatigue behavior of dental ceramics. The surface roughness was improved after polishing with a smaller diamond grain pad. The flexural strengths of the specimens polished with #220, 400, 600 and 1000 diamond pad were 75.2, 76.6, 82.2, and 83.3 MPa, respectively; the fatigue flexural strength of those with #220, 400, 600 and 1000 were 53.0, 58.1, 60.0, and 61.5 MPa, respectively. Both the flexural and fatigue flexural strengths increased with improvement of surface profile. These results suggest the importance of polishing of dental ceramics for not only the static strength but also the cyclic fatigue strength.
- 日本歯科理工学会の論文
著者
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TAKAHASHI Hidekazu
Department of Dental Technology I, Faculty of Dentistry, Tokyo Medical and Dental University
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Takahashi H
Department Of Electronics Engineering Faculty Of Engineering Shibaura Institute Of Technology
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Kurosaki Norimasa
Section Of General Dentistry Department Of Comprehensive Oral Health Care Division Of Comprehensive
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Kurosaki Norimasa
Section Of General Dentistry Department Of Comprehensive Oral Health Care Division Of Comprehensive
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NAKAZATO Takahiro
Section of General Dentistry, Department of Comprehensive Oral Health Care, Division of Comprehensiv
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YAMAMOTO Masashi
Section of General Dentistry, Department of Comprehensive Oral Health Care, Division of Comprehensiv
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NISHIMURA Fumio
Department of Dental Technology 1, Faculty of Densitsry, Tokyo Medical and Dental University
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Yamamoto M
Department Of Oral Medicine Research Institute Of Oral Science Nihon University School Of Dentistry
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Nishimura Fumio
Department Of Dental Technology 1 Faculty Of Densitsry Tokyo Medical And Dental University
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Yamamoto Masashi
Section Of General Dentistry Department Of Comprehensive Oral Health Care Division Of Comprehensive
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Yamamoto M
Tokyo Medical And Dental Univ. Tokyo Jpn
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Nakazato Takahiro
Section Of General Dentistry Department Of Comprehensive Oral Health Care Division Of Comprehensive
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Takahashi Hidekazu
Department Of Dental Technology 1 Faculty Dentistry Tokyo Medical And Dental University
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Takahashi Hidekazu
Department Of Advanced Biomaterials Division Of Oral Health Sciences Graduate School Tokyo Medical A
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