Patient Question: Disease:Reverse JawDescription of Condition:This is the reverse jaw surgery, there is no say older can not be done and so on, is not more than 18 years old can be done? Hope to provide help: this surgery has not said that older can not be done? The Third Affiliated Hospital of Sun Yat-sen University, Department of Stomatology, Chen Qi replied: Hello! Anti-collision orthognathic surgery can be done after adulthood, as long as the body is healthy, there is basically no age limit, of course, some younger to do the surgery after the recovery a little faster, the effect is also a little Patient Question: Disease: Anti-collision Description of Disease: What does it mean that the teeth of the generation of compensation? How long does it take to complete orthodontic treatment? What do you mean by “dental compensation”? Will my teeth look straight after I get it done? Chen Qi, Department of Stomatology, The Third Affiliated Hospital of Sun Yat-sen University, replies: Hello! Dental compensation refers to the teeth tilt shift partially mask the asymmetry of the upper and lower jaw deformity, orthodontics will be restored to the normal position of the teeth, which will make the upper and lower jaw deformity is more obvious, through the orthognathic surgery to solve the deformity, the teeth and jaws are in the normal position of the relationship.