Orthodontic treatment, also known as orthodontic treatment, is the most effective way to treat malocclusion. When orthodontic treatment is first performed, there will be a little pain, but it will generally be tolerable, and after a period of correction and adaptation to the strength of the aligners, the pain will disappear. Misalignment is a very common disease in the oral cavity, and it is mainly caused by genetic or environmental factors. Orthodontic treatment is the most effective way to treat malocclusion, and the best time to treat malocclusion is during adolescence, generally between the ages of 11 and 14. If this period is missed, orthodontic treatment can be done in adults. In order to achieve good results, some teeth need to be extracted before orthodontic treatment in order to obtain more space. The force applied to the teeth during orthodontic treatment is very important. Especially at the beginning of the orthodontic treatment, it is important to apply the right amount of force, otherwise it will cause pain. If the force is not applied properly, it can also produce very noticeable pain and in some cases, it can even affect the orthodontic treatment. Therefore, to do orthodontic treatment must choose a regular orthodontist, professional orthodontist will be very good at mastering the strength of the force, generally will not cause significant pain.