When you finish the treatment with splints (aligners) and straight my teeth, you need to wear something such a retainer?

All patients who have either orthodontic braces or aligners, it is necessary after the end of orthodontic treatment to wear during the night, removable retainer in order to maintain the new position of the teeth
If the patient finds it difficult to use it, then there is the alternative of permanent supports of wire or removable retained bar in the lingual surface of the teeth