Interdental brushes Flexible, ergonomic handle for better handling in hard-to-reach places. Non-slip finger rest. The plastic brush neck can be bent by 45 degrees. Up to 25% better plaque removal thanks to innovative triangular bristle structure. The CHX coating on the bristles keeps the interdental brush hygienic (for up to 2 weeks). Easy handling for high patient compliance. Nylon-coated wire.