Oral-B Pro-Health Sensitive Toothbrush is made with a unique combination of normal and super thin bristles, it gives a thorough all round cleaning for your mouth. The ultra thin bristles are highly flexible making it easier to reach areas between the teeth. The Sensitive Super thin provides all round cleaning very gently. It can reach up to 3 times deeper than normal bristle tooth brushes are clean below the gum line. The combination of normal and super thin bristles is designed to be rough on plaque but soft and gentle on your gums. The tongue cleaner at the back helps you fight bad breath.