NEW Wisdom Pro Flex Interdental Brushes have a unique flexible handle designed to reduce the potential of wire breakage, giving longer lasting performance. The curved shape of the handle helps to improve access to difficult to reach areas at the back of the mouth. Use regularly to help keep your teeth and gums healthy, to protect against gum disease and tooth decay and to keep your breath fresh. Key features – Hygienic cap to protect the brush between uses – Coated wire for use around metal fillings and to prevent sensitivity – For use in cleaning between the teeth and around bridgework and orthodontic appliances Curved handle for improved reach Reduces pressure on the wire Longer lasting Coated wire