The Oral-B iO Radiant White toothbrush head combines a dentist inspired round brush with polishing elements to gently remove surface stains for whiter teeth starting from day one. Features For whiter teeth as of day 1 by gently polishing away surface stains Oral-B iO Radiant White combines perfectly angled bristles with polishing petals for advanced cleaning and whiter teeth IO Technology combines Oral-B's iconic round brush heads with the gentle micro-vibrations of iO toothbrush for Oral-B's best cleaning performance Oral-B iO brush heads are exclusively designed to fit Oral-B iO toothbrushes Dentists recommend changing brush head every 3 months to keep an optimal cleaning efficacy Number of toothbrush heads included in this pack: 2 Oral-B is #1 brand most used by dentists worldwide. Clinically proven results