The Curaprox Ortho Travel Set refill CS 5460 Pink includes two ultra soft brush heads specially designed for Curaprox travel toothbrushes used during orthodontic treatment. With a central groove to accommodate brackets, they ensure effective and gentle cleaning around braces. Each head features 5,460 ultra-fine Curen® filaments (0.1 mm), densely packed to remove plaque thoroughly without harming enamel, gingiva, or orthodontic appliances.