In fact, now there are several types, if it is fixed, is often said that the lingual retainer, in fact, is not necessary to manage, only need to observe the retainer with the tooth surface fit degree is good, control the periodontal problems, control the oral hygiene problems, other do not need to wear. Learn how to wear the main two, transparent pressure film type retainer, wire retainer. The actual wearing process is basically the same, the pressure film retainer, wear the process, you can wear the front, then wear the back, and then wear the left, then wear the right, because now after the retainer orthodontic, the state of the teeth will change, wear the process actually involves the left and the right which side to wear will be smoother, while the general teeth, the front teeth are the most difficult to wear, the back teeth are relatively easy, because the front teeth have The back teeth are easier because the front teeth have an inclination. If you want to wear them, it is generally recommended to press the front teeth first, and then press them into the back teeth. However, the following actions should be avoided: firstly, if the wearing process is very difficult or not particularly smooth, you should pay attention to see if it is a problem of direction; secondly, if the wearing position is not accurate, if this problem occurs, it should be corrected in time, if this problem does not occur and violence is used to do it, the retainer will fracture.