Wisdom teeth do not always need to be extracted if they are not painful. Usually, if the wisdom tooth grows properly, has a corresponding counterpart, the surrounding tissues are not inflamed, the tooth is not decayed, and does not affect normal chewing and oral cleaning, it can be removed without extraction. However, imaging examination should be performed to observe whether there are unerupted wisdom teeth or blocked teeth on the other side, so that the blocked teeth on the other side will not affect the health of the roots of the adjacent teeth because of the absence of pain. If there are wisdom teeth that grow in the wrong direction, form blocked teeth, or have decay, erupt painfully and encroach on neighboring teeth, or are difficult to clean, easily leave food residues, or do not have opposite biting teeth or loose teeth, as well as easily rub the mucous membrane in the mouth, or even cause ulcers, etc., they need to be extracted to avoid aggravating symptoms and affecting normal teeth. In addition, if there is inflammation or abscess around the wisdom tooth, which affects normal eating, you should seek timely medical attention and have the wisdom tooth extracted after controlling the inflammation. In addition, even if wisdom teeth that are not painful are not extracted, you should pay attention to using the correct brushing method in your daily life and do a good job of oral cleaning, such as brushing your teeth in place in the morning and evening, suggesting the use of the Bartholomew brushing method, and rinsing your mouth in time after meals. If you have indications for wisdom tooth extraction, you need to pay attention to care after the operation according to the doctor’s prescription.