How to change the brush head of electric toothbrush?

1, Brush head: Children and adults have different electric brush heads, so choose the brush head that suits them according to personal usage habits, opening degree, mouth size and other factors. There are bristles on the toothbrush, too Some people like soft ones, while others like hard ones.

2. Vibration frequency (number of rotations per minute of toothbrush): Generally speaking, the more rotations, the stronger the cleaning ability. The vibration frequency of high-speed electric toothbrush can even reach 3 1000 times per minute, but the price will be more expensive.

3, function: the current electric toothbrush is not only the function of cleaning teeth, but also helps to treat gingivitis, relieve gum redness and brushing time. Prompt oral health information and so on. Whether these functions are needed or not can also be selected according to personal needs.

4. Charging method: At present, there are many kinds of electric toothbrushes, including direct charging, battery charging and hybrid charging. Choose an electric toothbrush according to the convenience of charging in your bathroom.