| Project/Area Number |
15K20448
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Multi-year Fund |
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| Research Field |
Prosthodontics/ Dental materials science and
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| Research Institution | Nagasaki University |
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Principal Investigator |
TAKASE Kazuma 長崎大学, 医歯薬学総合研究科(歯学系), 助教 (90736836)
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| Project Period (FY) |
2015-04-01 – 2018-03-31
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| Project Status |
Completed (Fiscal Year 2017)
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| Budget Amount *help |
¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2016: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2015: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
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| Keywords | リライン材 / 動力学的性質 / 細胞毒性 / 硬質リライン材 / レオロジー / C.albicans / バイオフィルム / 義歯リライン材 / 残留モノマー / BEAS-2B cell / surface roughness / water contact angle / 義歯 / リライン / フッ素系モノマー / 生体適合性 |
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| Outline of Final Research Achievements |
Differences were found in the dynamic mechanical properties and biocompatibility of the three direct relining materials.
As the frequency was higher, all the materials showed higher E ', E' ', and lower tan δ, but the frequency dependence in the dynamic mechanical properties was not very large. Tg values calculated from DMA tended to be higher than those in DSC. DMA showed high Tg value at high frequency. Compared with DSC, DMA was able to obtain a stable Tg value. It is thought that DMA is more useful for determining the characterization of the direct relining materials which are room temperature polymerization resin than DSC.
In the direct and indirect methods, the direct method tended to show cytotoxicity. The fluorinated monomer showed low cytotoxicity.
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