Nylon coated wire. Removes plaque between teeth. Great for braces, bridges & implants. Antibacterial bristle* protection. * Bristles have a patented Chlorhexidine antibacterial coating for continuous bristle protection during the recommended life of the brush. Bacterial growth that may affect the bristles is inhibited. The Chlorhexidine on the bristles does not protect you against disease. As always, rinse your brush. Image may vary from actual product due to Continuous manufacturer Product updates. Information we provide is for your reference only.