The Oral-B Pro 3D White toothbrush head features an exclusive polishing cup that whitens teeth starting from day 1 by removing surface stains. 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. Features: Exclusive polishing cup whitens teeth starting from day 1 by removing surface stains Oral-B 3D White features unique polishing cup to remove surface stains and hold whitening toothpaste for white teeth Removes up to 100% more bacterial plaque in hard-to-reach areas for cleaner teeth and healthier gums vs. a manual toothbrush Compatible with Oral-B electric rechargeable toothbrushes at exception of Pulsonic & iO toothbrushes Dentists recommend to change brush head every 3 months for best cleaning efficacy Sp