Floss-tip bristles (This toothbrush does not replace flossing). Helps Remove Bacteria From: Teeth. Tongue. Cheeks. Gums. Floss-Tip Bristles (This toothbrush does not replace flossing) gently reach deep between teeth and along gumline. Innovative cheek & tongue cleaner design. For deeper reach (Below the gumline compared to an ordinary flat trim toothbrush). Dentists & hygienists recommend replacing your toothbrush every 3 months. Save Water. Turn off the tap while brushing.