| 摘要 |
The system has a toothbrush including bristles made of synthetic fibers into which activated carbon particles from charcoal with average diameter greater than or equal to 100 microns are incorporated in an amount greater than or equal to 40 vol %. The average diameter of the activated carbon particles from charcoal amounts to approximately 30-70% of the diameter of the bristles. The toothbrush comprises a brush head on which the bristles are arranged in different orientations, with differing hardness and with bristle ends of various shapes. |
