Dental diagnostic device root canal treating apparatus using the same display unit for root canal treating apparatus and dental diagnostic/treating table
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United States of America Patent
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Issued Date -
Jul 31, 2008
app pub date -
Oct 30, 2007
filing date -
Oct 31, 2006
priority date (Note) -
Abandoned
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Abstract
The invention intends to provide a dental diagnostic device capable of detecting whether or not an electric leakage path which departs from a root canal, bypassing an apex is contained in a conductive path. The dental diagnostic device includes a measuring electrode, an oral electrode, a measurement signal applying means, a measuring means and a detecting means. The measuring electrode is inserted into a root canal of a tooth which is a diagnosing object. The oral electrode is brought into electric contact with oral mucosa. The measurement signal applying means applies a measurement signal in between the measuring electrode and the oral electrode. The measuring means obtains data corresponding to the electric characteristic of at least part of a conductive path between the measuring electrode and the oral electrode based on measurement of electric response to the measurement signal. The detecting means detects to see whether or not an electric leakage path bypassing an apex of a tooth is contained in a conductive path by applying a predetermined determination standard to data.
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