There is no age limit for orthodontic treatment in adults with healthy teeth and supporting structure. Adult’s teeth move in the same manner as a child’s dentition although there is not the benefit of facial growth during treatment. Also, adults should have a general dental as well as a periodontal examination prior to starting orthodontics and it is advised to see their dentist more frequently during orthodontic treatment.
The ideal time for treatment is during the growing years. With proper cooperation, orthodontic treatment can make dramatic changes in a child’s jaw shape and size in the formative years. Your general dentist will monitor your child's developing dentition and refer to an orthodontist when the time is right. Generally the main time for braces is when the last of the primary teeth are exfoliating, however some conditions require an earlier intervention