| Project/Area Number |
19390499
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
補綴理工系歯学
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| Research Institution | Iwate Medical University |
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Principal Investigator |
ARAKI Yoshima Iwate Medical University, 歯学部, 教授 (20005036)
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| Co-Investigator(Kenkyū-buntansha) |
MIURA Hiroyuki 岩手医科大学, 歯学部, 教授 (00048563)
TAIRA Masayuki 岩手医科大学, 歯学部, 准教授 (60179398)
IIZUKA Yasuyuki 岩手医科大学, 歯学部, 助教 (80311934)
SASAKI Kaori 岩手医科大学, 歯学部, 助教 (00364373)
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| Research Collaborator |
TANAKA Shigeru まこと矯正歯科医院, 副院長
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| Project Period (FY) |
2007 – 2009
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| Project Status |
Completed (Fiscal Year 2009)
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| Budget Amount *help |
¥15,990,000 (Direct Cost: ¥12,300,000、Indirect Cost: ¥3,690,000)
Fiscal Year 2009: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Fiscal Year 2008: ¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2007: ¥9,100,000 (Direct Cost: ¥7,000,000、Indirect Cost: ¥2,100,000)
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| Keywords | 歯科用材料 / 歯科理工学 / 歯学 / 歯列矯正 / 矯正装置 / 接着システム / ディボンディング / 矯正用接着システム / 接着強度制御 / 可視光線応答型酸化チタン / 光触媒 / セラミックブラケット / 耐水性 / マルチブラケットシステム / 接着 / ディボンデング / 接着耐久性 / プラスアイオノマーセメント |
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| Research Abstract |
In orthodontic treatment, orthodontic appliances are directly bonded to tooth with adhesives. The bond strength should be reduced to remove the appliance without damaging the tooth surface when debonding. We studied the effects of water penetration into the adhesive layer and deterioration of adhesive itself by photo sensitive catalysis on the bond strength. As a result, the orthodontic direct bonding systems capable of reducing the bond strength on debonding were developed.
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