| 摘要 |
PURPOSE: An interdental toothbrush capable of removing plague from the front side of teeth and tongue is provided to enable users to economically remove the plague from teeth. CONSTITUTION: An interdental toothbrush includes a brush frame(10), a wire(20), a cover(40), and bristles(30). The wire is combined to one end of the brush frame. The bristles are combined to the wire. The length of the bristles shortens toward the center of the brush frame. The cover includes an opening on one side, and is combined to the brush frame. Fixing protrusions are installed on the inner surface of the cover.
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