| 摘要 |
PROBLEM TO BE SOLVED: To separably and unitably use and carry an interdental brush by providing an interdental brush storage part in the tip of a grip part of a toothbrush body 1 and storing the interdental brush in the storage part. SOLUTION: A U-shaped cut is formed in the tip part of the grip of the toothbrush body 1, the interdental brush storage part 4 is formed, bearings 5 and 5' are arranged inside the storage part, and rotary shafts 6 and 6' of the interdental brush body 2 are received thereby and stored so as to be separably and unitably used and carried. An interdental brush storage cover body 3 is provided for hygiene of the grip part and the interdental brush storage part of the toothbrush body 1 and the fixing of the interdental brush body 2.
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