Cleans teeth down to the gum line and protects even sensitive gums. The gentle cleaning capability of the Meridol Toothbrush Gentle aids in the prevention of painful gum disease. The Meridol toothbrush has an extra-small brush head that allows you to softly reach all tooth surfaces with the toothbrush. This avoids gum disease and tooth decay by ensuring that no tooth-damaging germs settle on the surface of the teeth.