Hello, it will lead to tooth loosening, which is also a typical hazard of dental plastic surgery, because under normal circumstances, every tooth has certain physiological activity ability in order to buffer chewing pressure and prevent tooth injury. During the orthodontic treatment, the tooth looseness increases, which is a normal reaction. Although orthodontics can improve people's teeth, it will do harm to orthodontics if the doctor's operation is not standardized or the patient does not take good care after correction.