Rebound after orthodontic treatment can be treated by slightly tightening and adjusting the retainer and orthodontic treatment again. If there is a rebound after orthodontic treatment, it is recommended to go to the hospital for examination, and the doctor will determine the cause of the rebound. For mild rebound, the doctor will check whether it is possible to apply the method of retainer tightening or mild adjustment for local secondary orthodontic treatment. For severe rebound, a second orthodontic treatment is needed to improve the local tissue condition. The treatment measures for rebound caused by different reasons are different, and for developmental bony problems, uncontrollable rebound may cause rebound, which needs to be maintained for a long time. After the completion of orthodontic treatment, you need to follow the doctor’s instructions to maintain, wear the retainer time is not enough will also cause rebound, after orthodontic treatment, you need to wear enough time to prevent rebound, if you feel uncomfortable to consult a doctor in a timely manner.