| 摘要 |
PURPOSE: A tunnel toothbrush is provided to improve the practicality of teeth brushing and to improve user convenience. CONSTITUTION: A tunnel toothbrush includes a toothbrush head (6), two auxiliary toothbrush heads (10), a toothbrush head, a grip part (2), and a grip connection part (4). The toothbrush head includes a main toothbrush head and an auxiliary toothbrush head. The grip part is formed to hold a toothbrush. The grip connection part connects the toothbrush head to the grip part. |
