toothbrush head for oral b EB20 compatible

Traditional tufting, we usually use metal like alloy,copper, aluminum and so on. In this way, the toothbrush metal tufting will release harmful element. That is not good to health.
AFT technology can effectively avoid this situation, and increase the density of toothbrush bristles and not easy to fall off.

Why should you change your toothbrush every 3 months?

You should change your toothbrush every three months is that over time, your
toothbrush bristles will become worn out. Worn out bristles tend to be more abrasive on your gums, which can lead to premature gum recession and inflammation in your gums.