Dental treatment apparatus with a root canal length measurement function
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United States of America Patent
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May 11, 1999
Issued Date -
N/A
app pub date -
Aug 22, 1997
filing date -
Jun 9, 1994
priority date (Note) -
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Abstract
A dental treatment apparatus with a root canal length measurement function comprising a cordless handpiece equipped with at least a cutting tool drive motor, a root canal length measurement circuit and a power supply battery, and a charger equipped with at least a charge circuit for charging the power supply battery. With this structure, the handpiece can be operated as desired without interference with any tube since no tube is necessary to connect the handpiece to a main control unit, thereby capable of providing an easy-to-use treatment apparatus. By charging the power supply battery for the handpiece using the charger, the battery can be used repeatedly.
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