Model Number 1612#1 Interdental brand Removes plaque between teeth as effectively as string floss** Only interdental brand with antibacterial bristle protection* Nylon coated wire protects dental restorations. Great for: braces, bridges, wider tooth spaces* 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 in the bristles does not protect you against disease.** Yost KG, et al. Interproximal Gingivitis and Plaque reduction by Four Interdental products. J Clin Dent. 2006; 17(3):79-83.G18:G20For information call us at 1-888-777-3101 or visit jbutler.com