| Project/Area Number |
19390483
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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 |
Conservative dentistry
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| Research Institution | Osaka University |
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Principal Investigator |
TAKESHIGE Fumio Osaka University, 歯学部附属病院, 教授 (60206969)
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| Co-Investigator(Kenkyū-buntansha) |
IWAMI Yukiteru 大阪大学, 大学院・歯学研究科, 助教 (90303982)
SAKAGAMI Takahide 大阪大学, 大学院・工学研究科, 准教授 (50192589)
NAGASHIMA Tadashi 大阪大学, 歯学部附属病院, 准教授 (40237516)
MIURA Jiro 大阪大学, 歯学部附属病院, 助教 (70437383)
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| Co-Investigator(Renkei-kenkyūsha) |
SAKAGAMI Takahide 大阪大学, 大学院・工学研究科, 准教授 (50192589)
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| Research Collaborator |
TOKUGAWA Manami 大阪大学, 大学院・歯学研究科
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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 |
¥18,850,000 (Direct Cost: ¥14,500,000、Indirect Cost: ¥4,350,000)
Fiscal Year 2009: ¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2008: ¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2007: ¥9,490,000 (Direct Cost: ¥7,300,000、Indirect Cost: ¥2,190,000)
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| Keywords | 赤外線サーモグラフィ / 歯根破折 / VibroIR法 / 歯の亀裂 / 歯根破折検出法 |
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| Research Abstract |
Clinical diagnosis of the early stage of root fracture was difficult. With fluctuation by ultrasonic dental scaler, the root fracture was confirmed with infrared thermography. The cracks were detected in about 10 seconds when the tip was set at less than 60°from the crack, and fluctuation power set from 0.80W to 1.18W. It was found that the Vibro IR method is one of the most effective tools for diagnosis of the root fracture.
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