A - Human Necessities – 61 – C
Patent
A - Human Necessities
61
C
15/109, 83/15
A61C 3/03 (2006.01)
Patent
CA 1314159
DENTAL HYGIENE DEVICE Abstract of the Disclosure A method and apparatus for demobilizing the motile subgingival bacteria and for removing soft plaque from the teeth on a substantially daily basis as a means to prevent, treat and/or limit periodontal diseases. A piezoelectric multi- morph transducer is used to generate low-energy vibrations, these vibrations are applied to the teeth and gingival fluids to cause mild cavitation within the fluid to remove subgingival plaque and to demobilize motile bacteria. Means for driving the transducer at its resonant frequency or multiples thereof and for electrically isolating the user are included.
584082
Engel L. David
Martin Roy W.
Miller Josef M.
Engel L. David
Frayne & Company Robert
Martin Roy W.
Miller Josef M.
The Board Of Regents Of The University Of Washington
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