Invisible bracketless orthodontic technology is a new type of orthodontic technology based on the specific circumstances of each patient, through computer-aided three-dimensional diagnosis, design, manufacturing and other systems to produce a series of personalized transparent aligners, which patients wear on time and regularly replaced to achieve the goal of orthodontic treatment. The advantages of invisible orthodontic technology without brackets and wires, the use of a series of invisible aligners, the invisible aligners made of safe elastic transparent polymer material, due to the transparent, smooth qualities of the aligners, its concealment is very good, the patient wears beautiful, comfortable, eliminating the patient’s fear that the orthodontic process will affect the aesthetic concerns, so that the orthodontic process almost in The orthodontic process can be completed almost unnoticed by bystanders and does not affect daily life and social life. It also avoids the stinging of the oral mucosa from the ligature wire and arch wire, and there is no obvious foreign body sensation and mucosal irritation when wearing them, which reduces the painful reaction at the beginning of orthodontic treatment. Second, convenient hygiene Because the invisible aligners can be removed by themselves, it is convenient to take them off when eating and brushing, easy to maintain oral hygiene, reducing the occurrence of gum inflammation and tooth discoloration caused by improper oral hygiene care in traditional fixed orthodontics. It also does not affect daily life such as eating, brushing and social activities. Patients replace the next stage of aligners on their own in about two weeks, and visit the hospital once in 4-6 weeks to check the progress of orthodontics. The whole orthodontic process is free from the tedious bonding of brackets and adjustment of arch wires, and the clinical operation time is greatly shortened and the interval between follow-up visits is significantly extended, saving time and effort. In case of special circumstances, such as foreign patients or study abroad, the follow-up can also be once every few months or six months.