Acoustically-energized water jet aids in plaque breakdown. Acoustic Wand includes acoustic transducer 1/4 wave plate, and tapered cone. Together elements energize solution of water containing mild abrasive injected into mouth to help prevent calculous buildup.
Acoustic Tooth Cleaner
NASA Tech Briefs ; 8 , 1
1984-04-01
Miscellaneous
No indication
English
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