1, clear braces retainer is an auxiliary orthodontic treatment appliance used after orthodontic treatment, after the removal of the aligner, because the teeth in the new position is still unstable, need to wear retainer to keep the teeth in the new position on the alveolar bone. 2, clear braces retainer is auxiliary, but usually with the time is not shorter than braces, the general situation with retainers need 2 years, the first half year day and night with, after 1.5 years can only night with. 3.Usually the retainer is worn 24 hours a day, if there is something important that must be taken off, put it on as soon as possible after the end of the matter to avoid tooth displacement. 4.You must take off the retainer when you eat, use dental floss to remove the debris in the big teeth, and brush your teeth clean before bringing the retainer. You cannot eat or drink water higher than 50 degrees with retainer to avoid deformation failure. 5, daily rinse with water can not use boiling water, can regularly use the denture cleaning tablets to clean the retainer, prohibit other cleaning agents. When not in use should be placed in the box and soaked in cold water. 6, it is recommended that two to three months to review, if found that the aligner damage immediately.