| Project/Area Number |
23390438
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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 |
Prosthodontics/ Dental materials science and
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| Research Institution | Tokyo Medical and Dental University |
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Principal Investigator |
UO Motohiro 東京医科歯科大学, 医歯(薬)学総合研究科, 教授 (20242042)
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| Co-Investigator(Kenkyū-buntansha) |
ASAKURA Kiyotaka 北海道大学, 触媒化学研究センター, 教授 (60175164)
YOKOYAMA Atsuro 北海道大学, 大学院歯学研究科, 教授 (20210627)
AIDA Hideki 北海道医療大学, 歯学部, 准教授 (10301011)
HONGO Toshio 東京医科歯科大学, 大学院医歯学総合研究科, 准教授 (60142444)
WADA Takahiro 東京医科歯科大学, 大学院医歯学総合研究科, 助教 (10632317)
亘理 文夫 北海道大学, 歯学研究科(研究院), 教授 (70158682)
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| Project Period (FY) |
2011-04-01 – 2015-03-31
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| Project Status |
Completed (Fiscal Year 2014)
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| Budget Amount *help |
¥18,590,000 (Direct Cost: ¥14,300,000、Indirect Cost: ¥4,290,000)
Fiscal Year 2014: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Fiscal Year 2013: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Fiscal Year 2012: ¥6,370,000 (Direct Cost: ¥4,900,000、Indirect Cost: ¥1,470,000)
Fiscal Year 2011: ¥5,980,000 (Direct Cost: ¥4,600,000、Indirect Cost: ¥1,380,000)
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| Keywords | インプラント / 表面処理 / 骨結合 / X線 / XAFS / チタン / 表面分析 |
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| Outline of Final Research Achievements |
Biocompatibility of various dental and medical materials is affected by the conditions of materials surface, interface and erosion of trace metallic elements from the metallic materials and their accumulation in the tissues. In this study, the accumulation of dental alloy elements in the mucosa closely contacted with the metallic restorations using the position sensitive elemental and chemical state analysis method with X-ray microbeam. In addition, the chemical state analysis of the surface layer of surface treated titanium implant and the depth dependent change of titanium oxide was suggested.
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