Do not use any dental product without first consulting your dentist. Do not use if you are under 18 years of age and do not allow children under the age of 18 to use this product. Do not use if you have tam, have teeth or jaw pain, or if the dental guard or any part of the device is broken or damaged. Do not use as an athletic mouth guard. Before using this product, carefully read and understand all directions. Using this product other than directed may cause breakage or serious injury. Do not use for more than 12 hours in a 24 hour period. Not for use with dentures, braces or other dental appliances. Do not use for more than 3 months from initial use without consulting your dentist. Ask a dentist before use if you have loose fillings, loose teeth, chipped or broken teeth, loose caps or unfilled cavities, jaw clicking or pain, teeth pain, face pain, difficulty chewing, mouth sores, gum disease or bleeding gums, or serious respiratory problems. While using this product, see your dentist at least every 6 months. Stop use and see a dentist if you develop loose teeth or a change in your bite, experience pain or other irregularity. Stop use if it easily falls out of your mouth or causes you to gag or choke, or if you are prone to swallowing the product, you develop bleeding gums, soreness, or other reaction inside your mouth. As with all intra-oral devices, there are inherent risk factors associated with using them. You should proceed with extreme caution while using this product and regularly examine it, before and after each use, for any defect that may present a potential health hazard. Although uncommon, the user may gag, choke or swallow a part from this product.