| 摘要 |
<p>An orthodontic toothbrush for cleaning teeth and an orthodontic appliance positioned thereon, comprising: a handle and a head disposed on or integrally formed with the handle; the head having a planar surface and a median plane; a plurality of first tufts of bristles extending perpendicularly from the planar surface, the plurality of first tufts of bristles having a first length; and a plurality of second tufts of bristles extending perpendicularly from the planar surface, the plurality of second tufts of bristles having a second length longer than the first length; wherein a plurality of first and second tufts of bristles defines two wells wherein each of the wells is defined by a plurality of the first tufts of bristles bounded by a plurality of the second tufts of bristles; wherein a distance between respective centers of the two wells is substantially equal to an average distance between brackets or braces of the orthodontic appliance; and wherein each of the wells receives and surrounds an orthodontic bracket or brace having an outside face, an inside face and sides, the first tufts of bristles of each well clean the outside face of the orthodontic bracket or brace and the second tufts of bristles of the well clean the teeth and all the sides of the bracket or brace.</p> |
