There is no simplest way to straighten adult circumference, but we need to take the treatment of wearing braces, maxillary osteotomy, surgery and so on in combination with the situation. 1. Wearing braces: it is one of the more commonly used clinical methods, including fixed braces, movable braces, etc., which need to be worn for a long time in order to gradually reset the protruding teeth. After the orthodontic treatment, you need to wear a retainer. 2. Maxillary osteotomy: It is mainly for the patients who have the circumcision caused by the maxillary retraction, through the surgery, the maxillary bone will be shifted forward as a whole, so as to achieve the effect of correcting the circumcision, and at the same time, the facial depression caused by the maxillary retraction can also play a certain degree of improvement. 3. Surgery: also known as surgical orthodontics, the lower jaw will be moved back through surgery, the surgery takes 2~3 hours, but you need to wear braces in the later stage, and the whole process takes 1~2 years. Adults have more ways of correction, need to be combined with personal dental conditions, needs, etc. under the guidance of the doctor to choose the right program.