1. After cleaning the product, put the breathing mouth into the braces
2. The big triangle notch on the front faces down and bites into the door.
3. After biting in, adjust the position and breathe naturally.

Tips:
1. If the crown is too short, it is not recommended to use braces, because the wrapping force is not strong.
2. For patients with severe periodontal disease, the use of braces is not recommended due to relatively loose teeth.
3. It is not recommended to use braces for patients with severe skeletal malocclusion or facial plastic surgery.
4. It is not recommended to use braces for patients with porcelain teeth or who have undergone related dental plastic surgery.
5. Limited by the size of the occlusal surface of the braces, if the teeth are severely uneven, please use it selectively.