Endodontic file having bi-directional scraping edges

Details Endodontic file having bi-directional scraping edges Endodontic file having bi-directional scraping edges

2007-11-27

2007-11-27

Wilson, John J (Department: 3732)

Dentistry

Apparatus

Broach

Reexamination Certificate

active

11195100

ABSTRACT:
An endodontic file having an elongated shank with a proximal end portion, a distal end and a tapered working portion extending from the proximal portion to the distal end, the external surface of the shank working portion being defined in part by a plurality of at least two equally spaced apart continuous helical flutes formed into a central core portion of the shank working portion, the flutes having therebetween an equal number of spiraled spaced apart flanges, each flange having a semi-circular surface having a leading edge and a trailing edge, each edge being in or parallel to a plane of the shank longitudinal axis, each leading and trailing edges providing a cutting or scraping edge.

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Search Report, Nov. 15, 2006, European Patent.

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