Wear braces is also a common oral orthodontic treatment, for the teeth are not aligned and other oral problems that affect the aesthetic, wear braces time is affected by the following factors: First, the patient’s own degree of deformity of the teeth to determine the length of time to wear braces, the degree of deformity of the teeth is more serious than the degree of deformity of the patients with a low degree of time. Second, the type of braces chosen by the patient to determine the length of time to wear braces, different types of braces required time is different, how long it takes to wear braces are not the same. Third, the patient’s orthodontic age to determine the time to wear braces, such as adolescent patients with braces time and adult with braces time is different, generally adolescent patients wearing braces time will be shorter. Fourth, the higher the degree of cooperation of the patient will wear braces time will be correspondingly shorter.