| 摘要 |
<p>This invention can be broadly summarized as providing a tooth brush that incorporate benefits of continuous brushing motion of the bristles in reference to teeth surface with complete safety and no risk for gums peeling. The structure of this brush is based on a T shape wherein the vertical of the T incorporates the handle and stem comprising motor and gearing while the horizontal of the T incorporates a cylindrical bristles brush and a protective plate that coves most of the bristles, except a section that remains exposed and rotates during the operation towards the handle. This structure enables efficient cleaning of the teeth and gaps between teeth while the axis of the brush cylinder is in the horizontal position. And efficient cleaning of teeth surface and gums pockets while the axis of the brush cylinder is in the vertical position.</p> |
