Gums love this toothbrush: thanks to its 5,460 Curen filaments. A CS 5460 ultra soft toothbrush offers unparalleled gentleness and efficiency - and is popular all over the world. 5,460 Curen filaments, 0.1 mm in diameter. Plaque's toughest enemy is the gentleness of Curen-bristles: CS toothbrushes really are incredibly gentle. The 5460 Curen-filaments of the CS 5460 ultra-soft form an uncommonly dense and efficient cleaning surface. , , While they are gentle on gums and teeth, Curen-filaments are extremely hard on plaque. Anyone who tries a CS toothbrush will never want to do without this brushing experience again. Curaprox toothbrushes not only prevent brushing damages but also break up and remove plaque perfectly. Curen-filaments are stiffer than nylon and remain just as stable in the mouth as when they are dry. These properties make it possible to produce toothbrushes with a large number of ultrafine bristles.