| 摘要 |
The present invention relates to a toothbrush (1) for preventing the formation of dental plaque and tartar. The toothbrush comprises a supporting area (4) for bristles (5) connected to a handle (2) which extends along a longitudinal axis (101). Such a handle comprises a first side (2') and a second side (2"), which are opposite to each other. The first side defines a first recessed portion (10) which extends from the supporting area. The second side defines a further recessed portion (20) which is at least partially longitudinally staggered with respect to the first recessed portion of the first side of the handle. |
