Alloy bearing for dental scaler
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United States of America Patent
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Nov 5, 1991
Grant Date -
N/A
app pub date -
Sep 5, 1990
filing date -
Sep 5, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An improved rotor shaft for a vibratory dental scaling instrument. The shaft includes a metal substrate having a surface layer of nickel-boron alloy. The alloy surface layer provides a durable bearing surface for a rotor rotatably mounted on the shaft. The thus fabricated scaling instrument is capable of being heat sterilized without adverse effects on its rotary components.
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