| 摘要 |
PROBLEM TO BE SOLVED: To provide a toothbrush which can be adjusted to meet individual's need depending on an user's teeth alignment. SOLUTION: The head 1 of toothbrush is provided with more than two parts 2a, 2b, 2c of brushes, each of which is formed by standing a tuft 6 of bristles on a brush base 5 and is placed in series toward an axis of the toothbrush. The parts of brush are joined by a restoring means such as a flexible resin, a rubber material, a spring, rubber rope, or magnet, which can restore the original shape, while deformed such as twisted or bended into all directions against the axis of the tooth brush. A neck 3 is provided to attach the end of the joined parts of brush to the front of a handle 4 used as a grip.
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