Compared to a manual toothbrush, it can remove up to 100% more bacterial plaque from difficult-to-reach places, leaving teeth and gums cleaner. For a mild and efficient clean, Oral-B Sensitive Clean has a high density of ultrathin bristles. Except for pulsonic and iO toothbrushes, Oral-B electric rechargeable toothbrushes are compatible. For optimal cleaning effectiveness, dentists advise replacing the brush head every three months. Only authentic Oral-B brush heads are made to ensure a perfect fit with your toothbrush and optimal cleaning performance for up to 160+ brushing sessions. Twelve authentic Oral-B Sensitive Clean round brush heads are included in the pack. The most popular brand among dentists worldwide is Oral-B. Results that have been clinically proven