The mouth guard clenching is made of high-quality food-grade vinyl acetate (EVA) material and is BPA-free. mouth guard a double-layer design with a top layer that is soft,comfortable, shock absorbing, as well as a bottom layer that is strong to prevent clenching or grinding. It is not only environmental-friendly and safe, reliable to use, but also long-lasting, wear-resistant that can be reused in 4 months to protect teeth from clenching or grinding problem. If there is a slight smell, you can open the package and leave it for 48 hours to remove the smell. Note 1. Mouth Guard If the mouth tray is not made well in one time, you can repeat the second shaping until you are satisfied 2.Please rinse the mouth guard with clean water before and after use 3. The replacement time of the mouth guard is 3-4 months,You will definitely feel uncomfortable when wearing themouth guard for the first time, but you will get used to it after a few times 4.Do not use after drinking alcohol or taking strong sleeping pills. Initial use of the tmj mouthguard may result in reactions such as drooling and increased sensitivity. 3. Mouth Guard after pressing with your hands, keep it for about half a minute, then you can take out theMouth Guard that has been shaped 4. Along the gum line (the line between the teeth and gums) printed on the Mouth Guard that has been shaped, use scissors to cut off the excess Mouth Guard material, and cut off the handle at the same time. At this time, theMouth Guard is made. Cutting off the part above the gum line can make the gel only contact with the teeth to avoid hurting the gums. mouth guard to make 1. Soak the mouth guard in warm water at about 70 degrees for 10-15 seconds to soften mouth guard. Be careful not to use hot water at 90 degrees, as this will cause the mouth guard to wrinkle. When you see the edge of the mouth guard wrinkled, you can take it out 2. Put the softened mouth guard in your mouth, wear it on your gums, suck hard to expel the air between the d mouth guard and the gums, and at the same time use your hands to press the joint surface of the mouth guard and the gums back and forth to make it fit tightly with the gums. The mouth guard made in this way is the shape that suits your teeth. Note that the speed should be fast. Mouth Guard food grade ring teeth protector - the gnash night teeth protector is made of high quality bpa-free, food grade eva material. mouth guard it has a double-layer design with a soft, shock-absorbing top layer and a strong bottom layer to prevent clenching or grinding of teeth.mouthguards it is environmentally friendly, safe, reliable, durable and wear-resistant. mouth guard it can be reused for up to 6 months.