Give your interdental spaces the attention they deserve. Curaprox CPS 405 Perio interdental brush refills are tailored for wider gaps and exposed areas – perfect for people dealing with gum issues or tooth loss. The ultra-fine bristles ensure effective yet pain-free cleaning where standard brushes fall short. Instructions: Use daily before brushing. Insert at the gum line gently and without force. Replace when the bristles become worn or bent. At Curaprox, we believe oral care should be effective, safe and joyful. That's why our products are developed in Switzerland with a focus on prevention, softness and smart design.