Implants/bridge and orthodontic brace floss (Green). it consists of a firm nylon threader with bulky yet flexible, soft floss for superior cleaning. The material used for the floss section is soft yet cleans better than any other floss product due to its ability to grab the plaque. Patients with implants, bridges orthodontic appliances, wide perio spaces and tilted teeth will find x-floss a pleasure to use. Recommended by dental hygienist to use x-floss.