Oral-B 123 Toothbrushes are manual toothbrushes that clean your teeth effectively while being kind to your gums. They have medium bristles and an easy-grip handle, which works together to make brushing easier, more effective, and kinder to your gums. The Oral-B 123 Toothbrush has medium brush filaments, meaning that it will keep your teeth clean without being harsh on your gums. The polished, end-rounded bristles deeply penetrate hard-to-reach areas gently and safely.