Durability of Tungsten Carbide Burs for the Fabrication of Titanium Crowns using Dental CAD/CAM
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概要
- 論文の詳細を見る
The purpose of this study was to evaluate the durability of tungsten carbide burs for the fabrication of titanium crowns using two dental CAD/CAM systems (DECSY, Digital Process, Japan and Cadim, Advance, Japan). A tungsten carbide bur in each system was examined and used without fracture to fabricate 51 titanium crowns. For both systems tiny chips were found on the bur blade at the 11th machining. These chips gradually enlarged as the number of machining times increased. At the first machining no significant difference in the average surface roughness was found on the crown between the two systems (1.6μm for DECSY and 1.2μm for Cadim). The cutting grooves became dull and the average surface roughness increased as the number of machining times increased. It is concluded that the tungsten carbide burs for both systems can be used to fabricate up to 51 titanium 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 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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Shinya Akiyoshi
Department Of Crown And Bridge School Of Life Dentistry At Tokyo The Nippon Dental University
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TOMITA Shoko
Department of Marine Science and Resources, College of Bioresource Sciences, Nihon University
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Miyazaki Takashi
Department Of Oral Biomaterials And Technology Showa University School Of Dentistry
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Hotta Yasuhiro
Department Of Oral Biomaterials & Technology Showa University School Of Dentistry
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FUJIWARA Toshihisa
Digital Process Ltd.
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SUGAI Yasuhisa
ADVANCE Co., Ltd.
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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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Sugai Yasuhisa
Advance Co. Ltd.
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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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Fujiwara Toshihisa
Department Of Oral Biomaterials And Technology Showa University School Of Dentistry
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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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