Whether wisdom teeth need to be extracted or not is based on the presence or absence of opposing jaws, occlusal relationship with the opposing jaws, whether or not there is caries, whether or not there is food impaction, etc. Usually, wisdom teeth with opposing jaws and good occlusal relationship that do not affect the use of the wisdom teeth do not need to be extracted, or else they need to be extracted. 1. With or without opposing teeth: Wisdom teeth grow properly, but there is no opposing teeth, this kind of wisdom teeth will elongate in the future, and it is usually recommended to remove them. 2. Occlusal relationship with the opposite jaw: For wisdom teeth with opposite jaws but no occlusal relationship, even if they are orthodontically grown, there are also symptoms of future elongation, and extraction is usually recommended. 3. Caries: If the wisdom tooth has been carious to the pulpal cavity, it is recommended to be extracted without root canal treatment due to its openness in the clinic. 4. Food impaction: Wisdom teeth are usually recommended to be extracted if they are not in good relationship with neighboring teeth, causing food impaction and bad taste in the mouth. Whether wisdom teeth are removed or not, it is recommended to go to a regular hospital stomatology department for consultation and follow the advice of a professional doctor.