| 摘要 |
<p>The invention refers to a toothbrush having anti-dental plaque and anti-tartar activity, characterized in that its bristle-carrier zone (4) is misaligned to the handle (1), a first side of said handle is aligned to the relevant side of said bristle-carrier zone and the second side of said handle has an undercut (3) bounding a recessing portion (2), said recessing portion being 2 or 3 cm long.</p> |
