Ultrasonic endodontic surgical instrument
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United States of America
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Mar 24, 2020
Grant Date -
Oct 4, 2018
app pub date -
Oct 5, 2017
filing date -
Oct 5, 2017
priority date (Note) -
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Abstract
An ultrasonic root end retro-preparation endodontic apical surgical instrument. The instrument has a double-angled shape with a length of between about 1-2 in (2.5-5.1 mm), and is made of a metal which safely and effectively propagates ultrasonic energy from a base segment to a bent distal tip with a length of between about 0.08-0.15 in (0.20-0.38 mm). The instrument includes a swivel segment that permits rotation of the bent distal tip of up to 360°. By allowing the bent distal tip to be swiveled, the instrument may be used for all quadrants, anterior and posterior teeth without switching out the instrument for another one.
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