Oral-B Pro-Expert For Sensitive Gums manual toothbrush comes with extra soft CrissCross bristles that flex and straighten to gently lift away plaque from a perfect 16° angle. The toothbrush cleans along the gumline, where plaque builds up easily, with its carefully polished end-rounded bristles. • Extra soft CrissCross bristles gently remove up to 90% of plaque in hard-to-reach areas* • Helps protect gums and enamel • 16° angled CrissCross bristles flex and straighten to penetrate hard-to-reach plaque in-between teeth and along the gum line • CrossAction Extra Soft bristles are 35% more flexible than CrossAction Soft bristles • Power Tip Bristles help reach deep and clean hard-to-reach areas while still being gentle enough on your enamel • Oral-B, the #1 toothbrush brand used by dentists worldwide. Dentists recommend replacing your toothbrush every 3 months, or when bristles are faded or worn, for a better clean • For clinically proven superior results, use together with Oral-B Pro-Expert All Around Protection toothpaste and Oral-B Pro-Expert mouthwash *based on a single-use brushing study