Electric Toothbrush Head: Pack of 2 single duo sonic toothbrush heads; Compatible with all Curaprox toothbrushes Efficient Design: Our electric toothbrush heads come equipped with an extra small brush head for ultimate tooth-by-tooth and gum line cleaning; Effortlessly clean between teeth and braces, brackets, or retainers Like A Pro: Our replacement toothbrush heads with extra-soft Curen filaments are the ideal orthodontic and braces brush, they even clean around implants and poorly positioned teeth Extra Comfort: This ultra-soft toothbrush head features an extra-pleasant rubberised back and Curacurve ergonomics that allow you to easily reach every single area Premium Swiss Oral Care: We've been obsessed with oral health since 1972, that’s why Curaden works closely with dental professionals to develop the most effective, exceptional, and attractive oral health care products