1. After brushing the teeth, rinse the toothbrush and dry the water inside the brush. The brush head should be placed in a ventilated and dry place to ensure that the toothbrush is dry and clean, preventing bacteria from multiplying and contaminating the bristles. After the toothbrush is used for a period of time, it should be replaced in time, and it will be replaced after 2 or 3 months.
2. The hair bundle of the toothbrush is properly designed and arranged, which is an important factor in the function of the toothbrush. If the bristles fall and break, the brushing effect will not be achieved, and the bristles and teeth may be damaged by the fallen bristles and brush heads. Therefore, it should be replaced when the bristles fall.
3. Some families share a toothbrush, which is extremely unsanitary. Be sure to do a toothbrush per person and change the bad habit of sharing a toothbrush.
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