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. Don't 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.