| 摘要 |
PROBLEM TO BE SOLVED: To provide a tooth brush which comfortably stimulates the oral cavity to remove food remains and the coat of tongue causing bad breath especially by softly brushing the oral cavity wall and the tongue face to have remarkable effect on preventing generation of oral odor. SOLUTION: A projected rubbing part 3 with a tilted face 3a at an obtuse angleαto softly abut on the oral cavity wall and the tongue face is integrally equipped on the back side 2a of the brush mount 2 of this tooth brush main body 1.
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