Adhesive bonding between resin composites and laser-sinterd or machine-milled metal frameworks
| Project/Area Number |
23592859
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Prosthetic dentistry
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| Research Institution | Nagasaki University |
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Principal Investigator |
KAMADA KOHJI 長崎大学, 医歯(薬)学総合研究科, 助教 (60264256)
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| Co-Investigator(Kenkyū-buntansha) |
TAIRA Yohsuke 長崎大学, 大学院医歯薬学総合研究科, 准教授 (40226725)
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| Project Period (FY) |
2011 – 2013
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| Project Status |
Completed (Fiscal Year 2013)
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| Budget Amount *help |
¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2013: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2012: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2011: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
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| Keywords | CAD/CAM / レーザー焼結法 / ミリング法 / コンポジットレジン / 接着 / レーザーシンタリング法 |
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| Research Abstract |
The purpose of this study was to achieve strong and durable bonding between resin composites and titanium or cobalt-chromium alloy CAD/CAM frameworks in order veneered prostheses to withstand the severe environment in the oral cavity. Priming with 10-methacryloxydecyl dihydrogen phosphate (MDP) improved the bonding durability between veneering resin composite and a laser-sintered Co-Cr alloy the same as a cast Co-Cr alloy. Compared to cast Co-Cr alloy, laser-sintered Co-Cr alloy with retention devices provided better retention for resin composite-veneered prostheses. On the other hand titanium, the shear bond strengths were improved by additional etching with 45% H2SO4 and 15% HCl. These methods would be useful for reducing clinical complications, such as fracture or debonding of veneered resin composite from metal frameworks.
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Report
(4 results)
Research Products
(5 results)
