Remove 100% more plaque for healthier gums with Oral-B’s most advanced iO technologyAchieve a 360° Advanced Deep Cleaning with perfectly angled dual-length bristlesThousands of bristles angled at 16° for superior plaque removal, spiraled pattern for better adaptability, dual-length bristles for hard-to-reach areasOral-B’s signature round brush head with thousands of bristles adapts to your unique tooth shape for maximized cleaning efficacyAlways know when to change your brush head to go back to 100% cleaning power. Smart Bristles fade to white when their cleaning power fadesDesigned exclusively for and guaranteed to fit your Oral-B iOOral-B is the #1 brand most used by dentists worldwide, with clinically proven results