The restriction of mouth opening during wisdom tooth extraction usually improves after a week or half a month. The problem of such restriction of mouth opening during wisdom tooth extraction is mostly caused by inflammatory trauma or muscle strain. You can take certain anti-inflammatory methods to deal with it, such as taking hot compresses and oral anti-inflammatory and pain-relieving drugs to deal with it, which can effectively relieve its clinical symptoms. If you have a wisdom tooth extraction with limited mouth opening, you can conduct a local examination and take a minimally invasive treatment when removing the wisdom tooth, which can effectively avoid serious problems such as limited mouth opening. Therefore, in most cases, once such problems occur, it is recommended to take relevant treatment to deal with them, which can effectively relieve their inflammation.