3D root canal therapy preparation file
A root canal treatment and rod technology, which is used in medical science, dentistry, protective layer, etc., can solve the problems of short life, broken, and difficult to remove root canal impurities, and achieve the effect of improving the service life.
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[0015] The technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0016] Such as Figure 1-5 As shown, the preparation file for 3D root canal treatment includes a helical cone angle 1, a preparation file shaft body 2, a spacer 3, a handle 4 and a mounting hole 5, the center of one end of the handle 4 is provided with a mounting hole 5, and one end of the preparation shaft body 2 Insert the installation hole 5, and the preliminary file body 2 is located at the end side of the handle 4 where the installation hole 5 is opened. And the spiral groove 11 is a three-dimensional spiral structure...
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