Method of controlling a drive device for preparing a root canal, and rotating handpiece for root canal preparation
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United States of America Patent
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Apr 28, 2015
Grant Date -
Jan 3, 2013
app pub date -
Jun 28, 2012
filing date -
Jun 29, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method, and handpiece for performing the method, for controlling a drive device for moving a root canal instrument having a drive shaft and at least one cutting edge for preparing a root canal, and at least one drive motor being operated by a control unit. The root canal instrument is moved in at least one reciprocal movement in a first direction of rotation over a predetermined first angle of rotation and subsequently in a second direction of rotation opposite to the first direction of rotation over a predetermined second angle of rotation. After the at least one reciprocal movement, the root canal instrument is rotated over at least one third angle of rotation.
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