| 摘要 |
PURPOSE: A toothbrush is provided to enable a user to easily clean teeth by bringing the bristles of the toothbrush into contact with teeth evenly. CONSTITUTION: A toothbrush comprises a head unit(20), a neck unit(30), an elastic connection unit(40), and a handle(50). In one side of the handle, a plurality of bristles are transplanted. The neck unit is narrowly formed in the lower part of the head unit. In the neck unit, the elastic connection unit having a coil spring form is formed. When a user brushes teeth, the bristles come into contact with teeth evenly. |
