In the process of orthodontics, it is sometimes necessary for orthodontic patients to wear rubber bands themselves. This elastic rubber band is mainly hung between orthodontic devices (bracket and traction hook), and the traction hook is used to hook the rubber band. Produce elastic force to act on teeth and dental arch. Apron is a good helper for orthodontic treatment. No matter which appliance you choose, orthodontics will go through the traction stage. At this time, the small apron comes into play. Although it is small in size, it plays a big role and cannot be underestimated.