In the process of mandibular plastic surgery, if some doctors can't accurately calculate the width of the removed (polished) bone, the face of the human body itself can't be completely symmetrical. If the mandibular plastic surgeon is unskilled or negligent, the asymmetry of the width of the two faces will increase. Therefore, experienced mandibular angle grinding surgeons should not only be familiar with facial bone structure, but also take X-rays (or magnetic vibrations) before operation to clearly understand the unique bone structure of beauty seekers.
Any operation has certain risks. Choosing large regular medical institutions and experienced plastic surgeons is the key to beauty.