Oral-B Floss Action replacement toothbrush head cleans tooth-by-tooth and features Micro Pulse bristles that help provide a superior deep clean between teeth. The bristles on the professionally inspired round brush head are designed to clean deep between teeth to remove up to 100% more plaque than a regular manual toothbrush when used with an Oral-B electric toothbrush. Compatible with all oscillating/rotating electric toothbrushes, except for Pulsonic.