ROOT CANAL INSTRUMENT
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
N/A
Issued Date -
Nov 22, 2007
app pub date -
Dec 5, 2006
filing date -
Dec 5, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The invention relates to a root canal instrument having a shaft 1 being connected to a neck 2, a head 4 having at least one cutting edge 3 being arranged at the free end thereof, wherein the cutting edge 3 along the head 4 is provided with a positive twisting angle from a region facing the tip 5 of the head 4 and a negative twisting angle in a region facing the neck 2.
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Family
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Cited Art Landscape
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