The Oral-B Sensitive Gum Care replacement toothbrush head features extra soft bristles for a superior* gentle clean, ideal for cleaning around sensitive and inflamed areas. The round brush head is inspired by dental professional tools for a tooth-by-tooth clean, with specially engineered bristles for optimal tooth coverage. Compatible with Oral-B Genius 8000, Oral-B PRO 7000, 6000, 5000, 3000 and 1000, and Oral-B Vitality. Each order comes with 3 Oral-B Sensitive Gum Care Electric Replacement Toothbrush Heads. *vs. a regular manual toothbrush