| 摘要 |
PURPOSE: A dental instrument for cutting gutta percha(GP) point is provided, therefore, the constant temperature can always be maintained by a charging battery and the gutta percha can be effectively and easily removed because the instrument has an appropriate size. CONSTITUTION: The dental instrument for cutting gutta percha(GP) point, which is inserted to fill up a nerve-removed region of a decayed tooth, is composed of a body(122) inclined downward about 10 to 20 degree; a gutta percha point removing part(120) consisting of a nichrome wire having a circular arc-shape of GP removing space(126a) being 2 to 3 mm in the body(122); a main body consisting of a switch and a LED lamp(114); and a charging battery installed on the rear inner side of the main body(110) and providing the electric power to the dental instrument.
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