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Apparatus and method for cleaning teeth

  • US 4,156,620 A
  • Filed: 05/27/1977
  • Issued: 05/29/1979
  • Est. Priority Date: 07/18/1974
  • Status: Expired due to Term
First Claim
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1. An apparatus for cleaning surfaces and crevices of teeth comprising:

  • a brush head;

    at least one tuft of filaments, said tuft rotatably mounted in said brush head;

    means for rotating said tuft about its central axis in a controlled reciprocating manner whereby said tuft is rotated a number of revolutions in one direction and then rotated a the same number of revolutions in the opposite direction.

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