DenTek Ultimate Guard fits the front and back teeth and comes with a SmartFit Tray to help provide a dentist-quality fit like a full coverage guard. Quickly customize the DenTek Ultimate Dental Guard in 3 easy steps. Complete fitting instructions are inside the package. Read all instructions and watch the full video before fitting the DenTek Ultimate Dental Guard. All parts are BPA free. DenTek Ultimate Dental Guard will give you 6 months of guaranteed protection from the date of purchase (1). D Kids Dentist, Teeth Grinding, Grinding Teeth, Wisdom Teeth, Mouth Guard, The Way Back, Healthy Teeth, Easy Steps, Night Time