As one of Oral-B’s premium replacement toothbrush heads, the 3D White features an exclusive polishing cup that whitens teeth starting from day 1 by removing surface stains. Oral-B’s improved 3D White toothbrush heads are developed with CleanMaximiser technology that turns green bristles yellow for optimal brush head performance and the best clean. The unique bristles brush away plaque for a more advanced clean than with a regular manual toothbrush. Compatible with all Oral-B handles except Pulsonic & iO. Packaging may Vary.Dentists recommend replacing your toothbrush head about every 3-4 months, or when bristles are faded and worn. Oral-B offers a variety of toothbrush heads to fit your personal oral health needs.Oral-B’s best for whitening clean (excluding Oral-B iO), Whiter teeth starting as of day 1 by removing surface stains, With CleanMaximiser technology, green bristles turn yellow when it is time to replace your brush head, With exclusive polishing cup, Dentists recommend to change brush head every 3 months for the best clean, Compatible with all Oral-B handles except Pulsonic & iO, Number of toothbrush heads included in this pack: 8, Choose Oral-B, #1 used by dentists worldwide