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1. First of all, when choosing a mouthwash cup, it is necessary to pay attention to the detailed functional design of choosing a toothbrush, which is divided into the following three steps.

2. Step 2 Soft bristles of the main toothbrush, such as high density soft straight bristles, can better protect each tooth to reduce bacterial infestation...

3. The third step is to pay attention to the processing details of the toothbrush, such as whether the fingerprint opening is more ergonomic and whether the toothbrush color is full and bright.

4. Next, we need to pay attention to the requirements of the toothbrush, such as whether the toothbrush is soft, whether the brush head is safe and meets the requirements of food grade...

5. At the same time, we also need to pay attention to the bristles treatment of the toothbrush. For example, whether the sharpening treatment can effectively reduce gum irritation and achieve the effect of flexible filling of the mouth...