| 摘要 |
PROBLEM TO BE SOLVED: To provide a toothbrush with the brush part easily replaceable, easily changeable in attachment angle of within a conical range, and freely swinging in the conical range. SOLUTION: This toothbrush is characterized that one end of the brush part 2 is detachably attached to the tip of a handle 1 via an attaching member 4, the brush part 2 attached to the tip of the handle 1 via the attaching member 4 is freely swung within a conical range with the base of the attaching member 4 set to a shaft core, and the attachment angle of the brush part 2 attached to the handle 1 via the attaching member 4 can be fixed at an arbitrary angle by the attaching member 4.
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