Endodontic dental instrument
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United States of America Patent
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Apr 7, 1998
Grant Date -
N/A
app pub date -
Dec 11, 1995
filing date -
Dec 11, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention is directed to improved endodontic dental instruments for extirpating and enlarging a root canal and methods for use thereof. The dental instruments of the invention include a helical radial land and a helical blade edge spaced from the land on its opposite sides by helical flutes. Dental instruments according to the invention exhibit improved and more balanced side cutting in curvilinear canals and non-circular canal areas such as fins or anastomosis canal regions.
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Family
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