| 摘要 |
<p>A toothbrush including bristles dispersed uniformly over a base surface is disclosed. In various combinations, the bristles may be individually oriented at an included angle of less than 90 degrees with a longitudinal axis of the toothbrush, substantially all of the bristles may individually be in contact with at least one other bristle, the bristles may define an arcuate cylindrical bristle surface, and/or the bristles may be dispersed randomly within a single group.</p> |
