Rotary handpiece for endodontic instruments

Details Rotary handpiece for endodontic instruments Rotary handpiece for endodontic instruments

A - Human Necessities

61

C

A61C 3/02 (2006.01) A61C 1/08 (2006.01)

Patent

CA 2184329

The present invention provides an improved rotary handpiece for cleaning and enlarging the root canal of a tooth with a rotary endodontic file. The handpiece includes a retractable support rod attached to and extending from the handpiece positioned adjacent and substantially parallel to the endodontic file. The support rod is adapted to rest on a tooth whereby the retraction of the support rod controls the advance of the endodontic file into the root canal. The control of the advance of the endodontic file insures that the file does not self thread into the canal or become excessively loaded whereby it sticks or breaks off while the root canal is being cleaned and enlarged.

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