Upgrade your oral care routine with Oral-B iO Ultimate Clean toothbrush replacement heads. Designed for use with Oral-B iO electric toothbrushes, these replacement toothbrush heads feature tufted bristles that reach deep between teeth and along the gumline to remove plaque and leave your mouth feeling fresh. The round brush head combines with gentle micro-vibrations to deliver a professional clean every day. With dual-length bristles and high-density design, these toothbrush heads help clean hard-to-reach areas for healthier gums and brighter teeth. Dentists recommend replacing your toothbrush head every 3 months to maintain optimal performance.