Dentists recommend replacing your toothbrush every 3-4 months. Replacement toothbrush heads feature indicator bristles that fade halfway to help remind you when to replace your toothbrush head. Schallcare Floss brush heads, the bristles with bacterial protective function, which can prevent bacterial growth on the brush. Also with strong cleaning function, which can removes up to 5x more plaque along the gum line than a traditional manual toothbrush. We provide high quality replacement toothbrush heads for your Oral B products. Our Toothbrush heads have a super cleaning action that drives fluid between teeth DEEP clean between teeth and along the gum line. Made with soft and flexible DuPont Tynex bristles, better for your teeth and gum health. Side-to-side bristles sweep away plaque while the moving power tip penetrates hard to reach areas and stationary bristles polish tooth surfaces. Compatible with the entire line up of Oral-B electric toothbrushes, except for Oral-B sonic, Pulsonic and io series toothbrushes.