The Oral-B iO Radiant White replacement brush heads combine powerful yet gentle micro-vibrations with a unique dentist-inspired round brush head for a professional cleaning feel every day. Exclusively designed for Oral-B iO electric toothbrushes, the Radiant White brush heads help remove up to 100% more plaque than a conventional manual toothbrush, leaving teeth looking clean and bright. The Radiant White brush head features precisely angled bristles and special polishing cups to reach all areas of the tooth and gently remove surface stains – for a radiant white smile. Since dentists recommend replacing the brush head every 3 months for optimal results, Oral-B replacement brushes have bristles that signal when it’s time for a change. Experience superior cleaning power with the only replacement brush heads that are exclusively and guaranteed to fit the Oral-B iO electric toothbrush.