High blood sedimentation after tooth extraction may be related to infection factors. Poor oral hygiene after tooth extraction can lead to infection of the extraction wound, and the blood sedimentation rate is elevated during blood tests. Most of them are not serious, you can take anti-inflammatory drugs, use mouthwash after the operation, pay attention to light diet, ensure rest and relaxation, and the blood sedimentation rate will return to normal after the extraction wound is healed. High blood sedimentation is not only related to secondary infection after tooth extraction, but also bacterial infection, viral infection, fungal infection and so on. A variety of malignant tumors can have high blood sedimentation. Rheumatic diseases such as rheumatoid arthritis, lupus erythematosus, vasculitis, etc. can also cause high blood sedimentation. Therefore, high blood sedimentation after tooth extraction is mostly seen in inflammatory infections, and may also be related to malignant tumors or rheumatic diseases, which can be treated in dentistry or immunology.