| 摘要 |
The invention concerns a vertical toothbrush which comprises bristles disposed at the top of the brush on a circular base, and a flexible neck that enables the bristles to reach all angles of the teeth, the purpose of the invention being to achieve more precise and more efficient cleaning. The invention has two embodiments: the first comprises toothpaste contained in the upper part of the handle and is for single use only; the second does not contain toothpaste and can be used more than once. |
