Gutta-percha remover
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United States of America Patent
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May 10, 2016
Grant Date -
Jan 26, 2012
app pub date -
Feb 25, 2010
filing date -
Feb 27, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A gutta-percha remover suitable for removing a gutta-percha and having flexibility with good compliancy to curvature of a root canal and a superior removing capability for forming a sufficient gap bet the gutta-percha and the root canal wall is provided. The gutta-percha remover includes a shaft, a tapered working portion connected to the shaft, and one, two, or more screw-shaped grooves formed in the working portion. The cross-sections of a base end and a tip of the working portion are such that the tip of the working portion is greater in rate of the area of each cross-section to a corresponding circle circumscribing the cross-section.
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