Not only does our compact interdental brush go where a toothbrush cannot go, it goes wherever you go too.Designed for efficient and gentle cleaning, the stem has an anti-sensitivity coating with extra soft bristles that is suitable for use on sensitive teeth and gums. , , Insert the brush gently into the spaces between your teeth. Do not force. With a gentle, straight back and forth motion, use the brush to remove food particles and plaque from spaces in between teeth. Rinse your mouth with water or mouth rinse. Clean the brush under running water after each use. Use the cap as a handle extension for hard to reach areas. Replace the brush when the bristles fray.