Influence of environmental conditions on orthodontic bracket bonding of self-etching systems
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概要
- 論文の詳細を見る
The influence of temperature and relative humidity (RH) on the bond strength of orthodontic adhesives was investigated. Two self-etching/composite type, one acid-etching/composite type, and one acid-etching/PMMA type of adhesives were examined under different temperature and RH conditions. Orthodontic brackets were bonded to bovine enamel, and shear bond strength test was performed at a crosshead speed of 1.0mm/min after 24-hour storage in 37℃ water. Data were analyzed by Tukey's HSD test. Each specimen was assigned an ARI score. All the materials tested exhibited their highest bond strength under room conditions at a range of 10.4-17.0MPa. Conversely, when under a lower RH condition, bond strength for all the systems ranked the lowest within a range of 6.8-12.0MPa, with bond failure at the bracket-adhesive interface. These results demonstrated that care should be exercised when using orthodontic adhesive systems in the oral environment.
- 日本歯科理工学会の論文
著者
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TSUCHIYA Hiroaki
Department of International Development Engineering, Graduate School of Science and Engineering, Tok
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Miyazaki Masashi
Department Of Operative Dentistry Nihon University School Of Dentistry
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Ota Maiko
Department Of Operative Dentistry Nihon University School Of Dentistry
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Tsubota Keishi
Nihon Univ. School Of Dentstry Tokyo Jpn
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Yoshida Takeshi
Department Of Epidemiology Medical Research Institute Tokyo Medical And Dental University
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Rikuta Akitomo
Department Of Operative Dentistry Nihon University School Of Dentistry
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Tsubota Keishi
Department Of Operative Dentistry Nihon University School Of Dentistry
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TSUJIMOTO Akimasa
Department of Operative Dentistry, Nihon University School of Dentistry
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Tsujimoto Akimasa
Department Of Operative Dentistry Nihon University School Of Dentistry
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Miyazaki Masashi
Department Of Internal Medicine 1 Sinshu University Medical School
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Yoshida Takeshi
Department Of Operative Dentistry Nihon University School Of Dentistry
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Yoshida Takeshi
Department Of Biochemistry Hokkaido University School Of Dentistry
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Tsuchiya Hiroaki
Department Of International Development Engineering Graduate School Of Science And Engineering Tokyo
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Tsuchiya Hiroaki
Department Of Operative Dentistry Nihon University School Of Dentistry
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Tsubota Keishi
Nihon Univ. School Of Dentistry Tokyo Jpn
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Yoshida Takeshi
Department of Applied Physics, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
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Yoshida Takeshi
Department of Applied Chemistry, Faculty of Engineering, Kanagawa University
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