APPARATUS AND METHODS FOR MONITORING A TOOTH
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United States of America Patent
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Issued Date -
Jun 10, 2010
app pub date -
Jan 25, 2008
filing date -
Jan 25, 2007
priority date (Note) -
Abandoned
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Abstract
Apparatus and methods for monitoring a tooth may include sensing acoustic energy propagating from regions (such as a root canal system) in and/or near a tooth. The apparatus and methods may be used with root canal cleaning treatments to determine the efficacy of the treatment and/or to reduce risk of post-treatment complications. An acoustic source (e.g., an acoustic transducer and/or a high-speed liquid jet) may be used to transmit energy into a tooth and/or regions near a tooth. An acoustic receiver may be used to detect acoustic signatures of acoustic events (e.g., acoustic echoes and/or acoustic cavitation) occurring in the tooth. The acoustic signatures may be used, for example, to determine the progress of a root canal cleaning treatment and/or the presence or movement of material toward a periapical region of the tooth. Apparatus and methods for monitoring a tooth may include detecting impact of a first jet on a tooth and actuating a second jet in response to detection of the impact.
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