Hello, excessive bone grinding and plastic surgery can lead to facial paralysis. As we all know, the face has a dense and complex neurovascular network. If there are too many mandibular parts removed by bone grinding, the harm of excessive bone grinding is far away, and it is easy to hurt important tissues such as nerves and blood vessels. If the sensory nerve is injured, it will cause numbness. If the facial nerve is injured, it will lead to fiber damage of intervertebral disc, which may affect the normal motor function of facial muscles, thus leading to serious consequences such as eyebrow lifting disorder and facial muscle paralysis.