Method of producing cut blades for instruments used in root canal treatment
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United States of America Patent
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-
Aug 31, 2010
Grant Date -
Dec 14, 2006
app pub date -
Oct 3, 2005
filing date -
Jun 14, 2005
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A blank for use in producing an endodontic instrument using a grinding technique includes a cylindrical portion, and a generally conical portion which is to be machined by the grinding technique to form the active part of the endodontic instrument. The generally conical portion of the blank approximates, and is slightly larger than the envelope of the final shape given to the active part of the endodontic instrument after machining. A method is also provided for producing an endodontic instrument having at least one helical cutting edge using the blank.
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