Designed exclusively for Oral-B iO electric toothbrush handles, the Radiant White brush heads help remove up to 100% more plaque than a regular, manual toothbrush, leaving teeth feeling clean and bright. The Radiant White brush head uniquely combines perfect angle bristles with polishing petals to contact and polish all areas and remove surface stains for a whiter smile. Dentists recommend changing your toothbrush head every 3 months for best results. Enjoy superior cleaning power with the only refill brush heads designed exclusively for – and guaranteed to fit – your Oral-B iO electric toothbrush.