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Inspired by the NTI, GrindRelief requires no models, no laboratory fees, nor multiple appointments. It features a central power bar to reduce detrimental muscle activity by about 60%. It creates pressure on the upper and lower mid lines at the same time; can be fitted to either arch; can re-fitted, if needed; and has a 3-year guarantee. Quantity discounts and instructional videos are available. For more information, call (877) 401-1224.
