There is no age limit for wearing braces, any age can wear braces, but there is an optimal age for wearing braces, after the replacement period all permanent teeth have just erupted within one year, 12-13 years old is the best age for wearing braces. This is because children at this age are in the stage of growth and development, if there are jaw deformities or maxillary retraction, mandibular retraction, etc., these initial deformities can be corrected by wearing braces. Moreover, this is the best age for braces as the results are obvious and fast. Parents should take their children to the hospital in time once they find that their children have bite disorders or crowded teeth during the teething period, and consult with the professional doctor whether orthodontic treatment is needed.