A - Human Necessities – 61 – C
Patent
A - Human Necessities
61
C
A61C 17/20 (2006.01) A61H 13/00 (2006.01) A61H 23/02 (2006.01)
Patent
CA 2443291
An improved method for cleaning teeth is disclosed. The method for cleaning teeth includes: applying ultrasonic waves of a first frequency through a liquid media to the teeth for a first period of time; and applying ultrasonic waves of a second frequency through a liquid media to the teeth for a second period of time.
Une méthode améliorée de brossage de dents est divulguée. La méthode de brossage de dents comprend : l'application d'ondes ultrasoniques d'une première fréquence par le biais d'un liquide sur les dents pendant un premier laps de temps et l'application d'ondes ultrasoniques d'une deuxième fréquence par le biais d'un liquide sur les dents pendant un deuxième laps de temps.
Mcneil-Ppc Inc.
Smart & Biggar
LandOfFree
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