| Project/Area Number |
21791911
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Single-year Grants |
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| Research Field |
Prosthetic dentistry
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| Research Institution | Kagoshima University |
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Principal Investigator |
KONO Hiroshi Kagoshima University, 医学部・歯学部附属病院, 助教 (20507165)
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| Co-Investigator(Renkei-kenkyūsha) |
BAN Seiji 愛知学院大学, 歯学部, 非常勤講師 (10159105)
MIYAMOTO Motoharu 鹿児島大学, 大学院・医歯学総合研究科, 助教 (50452941)
YAMASHITA Daisuke 鹿児島大学, 医学部・歯学部附属病院, 医員 (80550053)
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| Project Period (FY) |
2009 – 2010
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| Project Status |
Completed (Fiscal Year 2010)
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| Budget Amount *help |
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2010: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2009: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
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| Keywords | ジルコニア / メタルフリー |
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| Research Abstract |
For zirconia (Y-TZP), even if the time of autoclave processing of sintering temperature at 1350 ℃ increased, the transformation to monoclinic was not observed. Above 1450 ℃, the increase in monoclinic content was observed with the increase in processing time. Moreover, as for Y-TZP sintered above 1450 ℃, the tendency for the Vickers hardness after autoclaving to decrease was observed. The influence of sintering temperature was very greater in Y-TZP than in the result of this research, and when sintering temperature became high, it became clear that it became easy to produce low-temperature degradation by autoclaving.
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