Dental post extracting drill
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United States of America Patent
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Jan 4, 1994
Grant Date -
N/A
app pub date -
Sep 2, 1992
filing date -
Sep 2, 1992
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Abstract
A method and apparatus for removing dental posts by inserting and rotating an extraction drill. It is particularly useful for hollow dental posts having left-handed helical grooves on the post's external surface.
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