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Root canal treatment for vibration cutting tools and root canal treatment for vibration cutting equipment
Root canal treatment for vibration cutting tools and root canal treatment for vibration cutting equipment
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机译:振动切割工具的根管治疗和振动切割设备的根管治疗
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摘要
PROBLEM TO BE SOLVED: To provide a vibration cutting tool for root canal treatment and a vibration cutting device for root canal treatment for excellently performing cutting elimination of a root canal filler and expanding cutting of cracks of a root canal.SOLUTION: In the vibration cutting tool 11 for root canal treatment which includes a shaft part 13 and an operation end part 14 coupled to an end of the shaft part 13, the operation end part 14 is composed of a conical part 15 which is narrower toward the end, is coupled to the shaft part 13 almost in the center of a bottom surface 15a of the conical part 15, and an angle α made by a shaft core 13a of the shaft part 13 and the bottom surface 15a of the conical part 15 is a right angle or acute angle.
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