| 摘要 |
<P>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. <P>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. <P>COPYRIGHT: (C)2012,JPO&INPIT |
