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Ultrasonic plaque removal device

  • US 5,311,632 A
  • Filed: 05/12/1993
  • Issued: 05/17/1994
  • Est. Priority Date: 05/12/1993
  • Status: Expired due to Fees
First Claim
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1. An ultrasonic plaque removal device for removing plaque from teeth comprising:

  • a) a toothbrush device having a hollow grip portion and a brush portion extending from and being separable from said brush portion, said toothbrush device having a central axis extending through said brush portion and said grip portion;

    b) first means located within said grip portion for creating a rotational vibration of said toothbrush device about said central axis; and

    c) second means located within said grip portion connected with and producing an ultrasonic wave within said brush portion.

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