Root canal treatment instrument and manufacturing method for the root canal treatment instrument
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United States of America Patent
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Jul 7, 1998
Grant Date -
N/A
app pub date -
Dec 22, 1995
filing date -
Dec 27, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
This invention relates to a root canal treatment instrument comprising: a needle extending in a rodlike form, comprising: working section made of a superelastic alloy extending from a distal end of the needle; and a shank extending axially between the working section and a proximal end of the needle, made of at least partially a non-superelastic alloy, and a handle attached to a proximal end of the needle and adapted to be manipulated by a hand of a dentist. The working section possesses flexible nature because of its superelastic alloy composition, whereas the shank possesses rigid nature because of its non-superelastic alloy composition.
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Cited Art Landscape
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