Oral B Power Toothbrush iO Clean & Gum Protect Refills White 4 PackOral B iO Clean & Gum Protect Replacement Brush Heads White 4 Count The Oral B io series combines powerful, but gentle micro vibrations with Oral B unique dentist inspired round brush head design for a professional clean feeling every day. The Oral B iO Clean & Gum Protect brush is specially designed for gentle and effective cleaning on sensitive areas and gums. Dentists recommend changing your toothbrush head every 3 months For best results Boxed