These Oral-B Io Ultimate Clean Replacement Heads are engineered for superior plaque removal and an exceptional cleaning experience. Featuring specially designed bristles, these brush heads gently yet effectively remove up to 100% more plaque than a manual toothbrush, reaching deep between teeth and along the gumline for comprehensive oral hygiene. Ideal for daily use, they ensure your electric toothbrush maintains peak performance, contributing to noticeably healthier gums and brighter teeth.