Item Type: Adult Invisible Braces Color: transparent Age: Adult Material: TPU Phase: Phase I (D1), Phase II (D2), Phase III (D3) Features: 1. Correct crowded mild dentition, uneven teeth 2. Improve orthodontic rebound 3. adult orthodontics 4. Correcting dislocation of adult teeth Three stages of product use: 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 The second stage (D2): medium elastic hardness, suitable for mild and moderate teeth, insignificant, can be used directly, use time is 2-3 months. 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. Dont bite too tight at the beginning, slowly increase the strength of the bite 4. Wear 1-2 hours a day after adaptation, and then extend the wearing time. How to wear: 1. Point A of the appliance up 2. Put the appliance in your mouth 3. Keep your tongue in a natural position 4. Bite your upper and lower teeth and keep your nose breathing Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. YJL official store