& ltp> No matter what kind of operation there are risks, just like a small hyaluronic acid injection operation, if the doctor's skills are not good, there are also great risks if the injection level or injection quantity is not properly grasped. Similarly, mandibular grinding surgery does have certain risks. & lt/p & gt； The main reason of<p> is that there are many important anatomical structures around the mandible, and the operation itself is complicated (the doctor's vision is limited, and the operation is basically performed under blind vision), and the surgical trauma is relatively large, which is easy to cause a series of complications. Mandibular plastic surgery is generally performed in the oral cavity, and the surgical field of vision is small, but the important nerve and blood vessels in the face are rich, which requires doctors' skills, experience and equipment. Its risks mainly include the following aspects: