Chin pad surgery won't leave scars. Don't worry about this. Prosthesis and injection are the most commonly used methods of chin pad now. Needless to say, there will be no scars after the operation. In the case of prosthesis, the surgical incision is in the mouth, and no scar will be left after recovery. But which of the two methods is more suitable for your situation, please consult an expert, because everyone's actual situation is different, so the suitable chin pad method is also different, which needs specific analysis.