There are still differences between dental institutions, doctors and different appliance materials. You have to understand them yourself. But it should be reminded that doctors should be selective. You can't just consider the price. Only some well-known orthodontists are listed as follows: Yang Yiwei is currently the director of orthodontics at Jiyang Meijia Dental Clinic; Zhu Xiaoping is now the director of Liao Dental Clinic.