| Project/Area Number |
24592879
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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 |
Conservative dentistry
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| Research Institution | Iwate Medical University |
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Principal Investigator |
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| Co-Investigator(Renkei-kenkyūsha) |
NAKAI Kenji 岩手医科大学, 歯学部, 教授 (90146035)
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| Project Period (FY) |
2012-04-01 – 2015-03-31
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| Project Status |
Completed (Fiscal Year 2014)
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| Budget Amount *help |
¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Fiscal Year 2014: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2013: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2012: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
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| Keywords | 心臓植え込み型装置 / ペースメーカー / ICD / 誤作動 / 電磁干渉 / 高周波メス / ドリームECG / 電気的根管長測定器 / 植え込み型電子機器 / 植込み型除細動器 / 歯科用電子機器 / 電磁障害 / CRT |
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| Outline of Final Research Achievements |
We investigated the influence that dental electronic devices gave in a pacemaker or ICD by Irnich phantom. An apex locator and ultrasonic irrigation device did not cause an electromagnetic interference, but electric knife caused. It was suggested that electric knife have possibilities to occur malfunction in PM or ICD.
In another study, we observed two patients, one with an implanted cardiac pacemaker and the other with a cardioverter defibrillator, who underwent root canal treatment using an apex locator and/or ultrasonic irrigation. Occurrence of fatal arrhythmia in patients with an implanted cardiac heart device during root canal treatment using an electronic apex locator and/or ultrasonic irrigation were evaluated by multi-channel electrocardiograph (Dream ECG) . No significant lethal arrhythmia was observed during dental treatment of the patients by multi-channel electrocardiograph.
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