Machining Accuracy of CAD/CAM Ceramic Crowns Fabricated with Repeated Machining Using the Same Diamond Bur
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概要
- 論文の詳細を見る
The purpose of this study was to investigate the effect of repeated machining up to 51 times using the same diamond bur on machining accuracy of inner and outer surfaces of CAD/CAM (computer-aided designing and computer-aided manufacturing) machined ceramic crowns. The surface topography of machined crowns was examined using photographs. It was found that machining accuracy was not affected by the number of machining times. In all measuring points, the inner surface was machined to a dimension larger than the die model (i.e., increased gap), whereas the outer surface was machined to a dimension smaller than the crown model (i.e., smaller crown). Photo observation showed that cervical contour was machined in a clear, rounded form from 1^<st> to 11^<th> crowns.
- 日本歯科理工学会の論文
著者
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HOTTA Yasuhiro
Department of Oral Biomaterials and Technology, School of Dentistry, Showa University
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MIYAZAKI Takashi
Department of Oral Biomaterials and Technology, School of Dentistry, Showa University
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OGURA Hideo
Department of Dental Materials Science, School of Dentistry at Niigata, The Nippon Dental University
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SHINYA Akikazu
Department of Crown and Bridge, School of Life Dentistry at Tokyo, The Nippon Dental University
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GOMI Harunori
Department of Crown and Bridge, School of Life Dentistry at Tokyo, The Nippon Dental University
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SHINYA Akiyoshi
Department of Crown and Bridge, School of Life Dentistry at Tokyo, The Nippon Dental University
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Ogura H
Department Of Dental Materials Science School Of Life Dentistry At Niigata The Nippon Dental Univers
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Ogura Hideo
Nippon Dental Univ. Niigata Jpn
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Ogura Hideo
Department Of Dental Materials Science
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Gomi Harunori
Department Of Crown And Bridge School Of Life Dentistry At Tokyo The Nippon Dental University
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Shinya Akiyoshi
Department Of Crown And Bridge School Of Life Dentistry At Tokyo The Nippon Dental University
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YARA Atsushi
Department of Dental Materials Science, School of Dentistry at Niigata, The Nippon Dental University
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Yara Atsushi
Department Of Dental Materials Science School Of Dentistry At Niigata The Nippon Dental University
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Miyazaki Takashi
Department Of Oral Biomaterials And Technology Showa University School Of Dentistry
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Tomita Sachiko
Department of Pediatric Cardiology, The Heart Institute of Japan, Tokyo Women' s Medical University
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Hotta Yasuhiro
Department Of Oral Biomaterials & Technology Showa University School Of Dentistry
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KATAGIRI Shingo
Department of Physics,Faculty of Science,Shizuoka University
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MATSUDA Tetsuji
Department of Crown and Bridge, School of Dentistry at Tokyo, The Nippon Dental University
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SUZUKI Hitosi
ADVANCE Ltd.
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SAKAMOTO Yuuki
GC Corporation
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Yara Atushi
Department Of Dental Materials Science School Of Dentistry At Niigata The Nippon Dental University
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Hotta Yasuhiro
昭和大学 歯学部歯科理工学教室
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Tomita Shoko
Department Of Crown And Bridge School Of Dentistry At Tokyo The Nippon Dental University
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Tomita Sachiko
Department Of Crown And Bridge School Of Life Dentistry At Tokyo The Nippon Dental University
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Miyazaki Takashi
昭和大学 歯学部
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Shinya Akiyoshi
Nippon Dental Univ. Tokyo Jpn
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Masuda T
Department Of Oral Biomaterials & Technology Showa University School Of Dentistry
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Miyazaki Takashi
Department Of Endocrinology And Metabolism Division Of Molecular Adaptation Research Institute Of En
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Katagiri Shingo
Department Of Crown And Bridge School Of Dentistry At Tokyo The Nippon Dental University
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Miyazaki Takashi
Department Of Animal Science Faculty Of Bioresources Mie University
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Ogura Hideo
Department Of Dental Materials Science School Of Dentistry At Niigata The Nippon Dental Univ. Japan
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OGURA Hideo
Department of Dental Materials Science, School of Life Dentistry at Niigata, The Nippon Dental University
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SHINYA Akikazu
Department of Biomaterials Science and BioCity Turku Biomaterials Research Program, Institute of Dentistry, University of Turku
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