GUM Proxabrush Go-Betweens Interdental Brushes, Ultra Tight are manufactured with triangular bristles which are 25% more effective at removing dental plaque from between teeth than conventional round bristles. The nylon-coated wires are designed for comfortable cleaning around dental appliances, fixtures, crowns, implants, orthodontics, and other hard-to-reach places without scratching or causing galvanic shock. Coated with a patented antibacterial agent for continuous protection throughout the 10-day recommended usage period. Protective travel caps included to put in your pocket, purse or car for on-the-go usage. Specially crafted nonslip rubber handle for comfortable and precise grip with a bendable neck that allows for maneuverability towards the back of the mouth and hard-to-reach areas.