3Pack Mouth Guard for Clenching Teeth at Night,Teeth Straightener for Adults Three major stages (Stage1) Correct Tooth Root Function: correct teeth root Hardness: soft Use time: 1-2 months Effect: Improved (Stage2) Correct Teeth Surface Function: correct teeth surface Hardness: medium Use time: 2-3 months Effect: very obvious (Stage3) Consolidate and Shape Function: consolidate and shape Hardness: hard Use time: 5-8 months Effect: do not rebound Usage method STEP 1: Mouth Guard for Clenching Teeth STEP 2: Pour hot water(158F-176F) into the container until it submerged the mouthpiece (Tip: Before using, please open it and place it in a ventilated place ) STEP 3: Insert mouthpiece in your mouth and adjust a comfortable position STEP 4: Press the front part of it at the same time by hand to make it fit your mouth properly STEP 5: Bite the lip of the braces up and down to keep it natural STEP 6:Wear it for 2 hours during the day and 8 hours at night Precautions for use 1. Rinse with hot water before use 2. Before wearing, you can drink some water to prevent your mouth from drying out. 3. In the initial stage of wearing, it takes 3-7 days to adapt, 4. Dental braces are not disposable and can be reused until worn out 5. After wearing, it is necessary to close your mouth and do not eat or speak. 6.If you want to hiccup, sneeze, or yawn, please remove the braces first to avoid Hazardous situation occurs?High quality customer service?If you have any questions, please contact us directly and we will be at your service within 24 hours. ?Safe and Convenient? Food grade TPE material, light and small, can be carried with you when going out, traveling, or camping. ?Comfortable To Wear? Increase tongue positioning, fix tongue placement, avoid misalignment, and change bad oral habits. ?Nighttime Tooth Protection Cover? Made of soft material, wearing this tooth protection cover can prevent tooth wear and eliminate the sound of grinding teeth. ?Straightening Protection? Three major stages teeth correction, wearing corresponding braces for 1-2 months, 2-3 months, and 3-6 months, respectively. Good elasticity, combined with three different hardness braces, staged correction, making your smile more confident.Best Sellers Rank: See Top 100 in Health & Household. Age Range (Description): Adult. Color: White. Brand: SZOUXXJY. Country of Origin: China. : B0C3DNRFXZ. Manufacturer: SZOUXXJY. Date First Available: April 24, 2023. Package Dimensions: 3.82 x 3.46 x 2.83 inches; 3.21 Ounces.