Hello, children's teeth are much better when they start to correct in the early stage than when they are adults, so plastic surgery should be done as soon as possible. At this stage, the medical level has been very developed, and they can do dental appliance fixation, usually for two or three years. There are many kinds of braces, such as traditional steel wire braces and invisible braces braces. Invisible braces can be divided into many kinds, each with a different price. It is recommended to consult a regular stomatological hospital.