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Toothbrushes for cleaning sulcular areas of the teeth

  • US 4,517,701 A
  • Filed: 04/09/1984
  • Issued: 05/21/1985
  • Est. Priority Date: 04/25/1983
  • Status: Expired due to Fees
First Claim
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1. A toothbrush comprising a longitudinal stem having a handle portion and a bristle-supporting portion, the bristle-supporting portion(a) defining a forward part of the stem along the longitudinal length of the stem;

  • (b) having two oppositely-disposed faces which are generally parallel to the plane of the bristle-supporting portion and from which the bristles extend; and

    (c) being curved along its length to provide improved access to the gingival areas of the teeth for penetration into the sulcular area to provide the user with a means to apply the curved portion of the toothbrush to opposite sides of the teeth located in all areas of the mouth, the teeth defining a curved dental profile;

    the bristles being grouped in tufts, the tufts being arranged in a plurality of rows along the longitudinal length of the bristle-supporting portion and at least a portion of the tufts being canted from each of the faces towards the inside of the curve of the bristle-supporting portion.

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