These Oral-B Pro Cross Action Replacement Heads are engineered for deep cleaning performance. Featuring uniquely designed bristles that reach deep between teeth and along the gumline, they effectively remove up to 100% more plaque than a regular manual toothbrush. These heads ensure a superior clean, supporting optimal oral hygiene when used with your rechargeable electric toothbrush. Ideal for daily brushing routines to maintain healthy teeth and gums.