Hello, to solve the problem of swelling after mandibular angle plastic surgery, there will be swelling in different degrees on the face after surgery, and it will gradually disappear in about 3-7 days. If the condition improves about a week after the resection of mandibular angle hypertrophy, the suture can be removed. It takes about 1 month for the operation to completely reduce swelling. In about 3-6 months, the masseter muscle itself will rebuild itself and shrink due to the change of attachment position and muscle tension, so basically after surgery, 6.