Thanks to the Curen filaments, the CS 5460 is ultra soft, gentle and efficient Gentle on gums and teeth, tough on plaque The bristles are stiffer than nylon and remain just as stable in the mouth as when dry Reaches all places: compact head, slightly angled The octagonal handle helps to clean at the right angle Special bristle cut for the gentle and thorough cleaning of braces and brackets. 5460 Curen filaments ensure this cleaning result