The Oral-B Vitality Sensitive rechargeable electric toothbrush features a compact, round brush head that surrounds each tooth with extra soft bristles to gently clean teeth and gums better than a regular flat trim manual brush. - Extra soft bristles are gentle on sensitive teeth and gums - Clinically proven to remove more plaque than a flat trim manual brush Extra soft bristles for sensitive gums provide a superior* & gentle clean*vs. a regular manual toothbrush Round brush head is inspired by dental professional tools for a tooth-by-tooth clean, with specially engineered bristles for optimal tooth coverage #1 Dentist Used Toothbrush Brand, Worldwide - Oral-B (data on file) Compatible with the entire lineup of Oral-B rechargeable handles, except for Oral-B sonic toothbrushes The Sensitive replacement toothbrush head is designed with extra soft bristles for cleaning on and around sensitive and inflamed areas. In fact, its gentle bristles still provide a superior cleaning for sensitive teeth and gums vs. a regular manual toothbrush. The Sensitive toothbrush head features gentle bristles, ideal for cleaning around sensitive and inflamed areas. It provides a superior clean than a regular manual toothbrush and is designed for those seeking a gentle, yet effective, brushing experience. The Sensitive head works with unique Oral-B technology, allowing the bristles to surround each tooth for an amazing, tooth-by-tooth clean. Replace your brush head every 3 months, or earlier, if the brush head becomes worn or the bristles become spread out or frayed. Oral-B brush head refills feature Indicator bristles that fade halfway to help remind you when to replace your toothbrush head so you maintain a superior clean vs. a regular manual toothbrush. Oral-B offers a variety of rechargeable electric toothbrush handles to fit your personal oral health needs. Oral-B replacement toothbrush heads are compatible with all Oral-B rechargeable electric toothbrush handles, except for Oral-B Pulsonic.