\""The Oral-B Pro Cross Action toothbrush head features more than 2200 perfectly angled bristles to remove up to 100% more bacterial plaque for cleaner teeth & healthier gums vs. a manual toothbrush. Oral-B genuine brush heads are designed with new X-shape bristles that clean in areas that round ones cannot reach. Its brush head usage indicator turns bristles from green to yellow showing you when to change for 100% cleaning efficacy. Guaranteed fit with Oral-B electric rechargeable toothbrushes except Pulsonic & iO toothbrushes.\nFeatures\n\n--Removes up to 100% more bacterial plaque for cleaner teeth and healthier gums vs. a manual toothbrush\n--Only genuine Oral-B brush heads feature X-shape bristles that clean in areas that regular ones cannot reach for optimal cleaning efficacy\n--Oral-B Cross Action features unique 16\u00B0 angled bristles to perfectly adapt to each tooth for deep cleaning\n--Guaranteed fit with Oral-B electric rechargeable toothbrushes except Pulsonic &a""