Wisdom toothbrushes are designed to give your entire mouth a thorough clean. They have multi-level filaments that help to fit the natural shape of your teeth, reaching into all of the spaces where plaque and food particles build up and giving you a proper clean. The back of the brush head Also includes a tongue cleaner, removing bacteria from your tongue and freshening your breath. Wisdom toothbrushes are available with medium or firm filaments. Easy grip handle design for better brushing control, tongue cleaner to effectively remove bacteria and help keep breath fresh, multi-level filaments for thorough cleaning