The sequelae of wisdom tooth extraction mainly include pain, swelling, mouth opening restriction, nerve damage, maxillary sinus penetration, and other complications as follows: 1. Pain and swelling: Wisdom tooth extraction is generally more traumatic, and there will be pain and swelling for different periods of time after surgery, and the more traumatic ones may reach about two weeks, which can be relieved by oral anti-inflammatory and pain-relieving drugs. In the early stage, cold compresses can also be applied, and after two days, hot compresses can be applied to promote the reduction of swelling. 2. mouth opening restriction: mouth opening restriction occurs after wisdom tooth extraction, and generally it will also occur for 1-2 weeks and recover slowly. 3. nerve injury: there is a kind of sequelae after wisdom tooth extraction is nerve injury, and the position of wisdom tooth is particularly low, especially the mandibular wisdom tooth may injure the mandibular nerve, which can cause numbness in the lower lip area. This can cause numbness in the lower lip area. The wisdom tooth is usually recovered within three months in mild cases, but in rare cases permanent numbness occurs. 4. maxillary sinus penetration: maxillary wisdom teeth may have maxillary sinus penetration, etc. 5. other complications: particularly complex wisdom tooth extraction, fractures and damage to the adjacent teeth may occur. These are the possible complications of wisdom tooth extraction. If the wisdom tooth needs to be removed, it is better to remove the wisdom tooth that must be removed as soon as possible, these complications are only a possibility, try to choose a hospital with good conditions to remove the wisdom tooth.