After orthodontics, you must bring a retainer to prevent deformation after orthodontics. Usually, the holder is not manufactured separately. After orthodontics, doctors will make retainers according to the results of orthodontics. The retainer is generally made of resin (plastic) and can be made in 3-5 days.

Suggestion: The price of retainer depends on the hospital you choose to see. Generally it won't be very expensive, around 500 yuan. It is recommended to do it in an orthodontic hospital. Doctors know the details very well.