Features:1. Correct crowded mild dentition, uneven teeth2. Improve orthodontic rebound3. adult orthodontics4. Correcting dislocation of adult teethThree stages of product use:1. The first stage (D1): soft adapt to a few minutes for the first use, wear 12 hours a day after adaptation, use time 1-2 months;2. The second stage (D2): medium elastic hardness, suitable for mild and moderate teeth, insignificant, can be used directly, use time is 2-3 months.3. Stage 3 (D3): A stiffer material suitable for further aligning the teeth or used as a holder to limit tooth movement, use for 3-6 months.Instructions for use:1. Allow yourself to adapt for a period of time, such as 5-10 minutes;2. If you feel uncomfortable, you can take it off first, take a rest and then wear it;3. Don't bite too tight at the beginning, slowincrease the strength of the bite;4. Wear 1-2 hours a day after adaptation, and then extend the wearing time.It is recommended to buy in three stages (D1 + D2 + D3)How to wear:1. Point A of the appliance up2. Put the appliance in your mouth3. Keep your tongue in a natural position4. Bite your upper and lower teeth and keep your nose breathingNote: Try not to use hot water for scalding, so as not to accelerate aging.teeth alignmentteeth trainerretainer braces