Hello, 30-year-old can also be corrected, but it takes a little more time than young people, but the effect is the same; In addition, buck teeth are bony and have teeth, so orthognathic surgery is risky, but now the technology is mature and the problem is not big; So don't worry; It is particularly important to pay attention to the refusal to go to a general unqualified clinic for correction and find a regular qualified hospital for treatment.