Method of manufacturing a dental root canal cutting tool and apparatus therefor
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United States of America Patent
Stats
-
Sep 16, 1986
Grant Date -
N/A
app pub date -
Oct 3, 1984
filing date -
Oct 6, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A dental root canal cutting tool is formed by mounting a wire rod (3) onto a chuck-head (5). The chuck-head (5) variably rotates and advances the wire rod (3) into a guide (6) having a guide hole (7). A whetstone (9) is disposed proximate the outlet of the guide hole (7) for grinding the wire rod (3) with a taper-like shape. A space exists between the cutting edge of the whetstone (9) and the axial center of the guide hole, which varies in response to the advance of the wire rod.
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Family
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Cited Art Landscape
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