DenTek Professional-Fit Dental Guard fits the front and back teeth and offers custom-fit protection similar to a professionally made mouth guard – for a fraction of the cost. Quickly customize the DenTek Professional-Fit Dental Guard, using Comfort Tek fit, in 3 easy steps. Complete fitting instructions are inside the package. Read all instructions and watch the full video before fitting the DenTek Professional-Fit Dental Guard. All parts are BPA free. DenTek Professional-Fit Dental Guard has a 30 day money back guarantee (1). DenTek is the Number One OTC dental guard brand for nighttime teeth grinding (2). Teeth grinding, also known as bruxism, is when a person clenches their jaw and the upper and lower teeth scrape and grind against each other. DenTek Professional-Fit Dental Guard helps to prevent conditions caused by teeth grinding including jaw discomfort, tooth chipping and cracking, and headaches. Help preserve and protect your natural teeth for a lifetime with DenTek's innovative dental care products. FSA- and HSA-eligible product in the U.S. (1) Proof of purchase from authorized seller required, see details inside package (2) Source: IRI Data Total Units Sold L52W Ending 02.23.25 Multi-Outlet + Convenience Stores