Common pulpitis, chronic apical inflammation or periodontitis, etc., these have a little inflammation is generally can be extracted, there is an abscess needs to be removed after the inflammation subsides, it is recommended to go to the hospital for specific diagnosis and treatment. The inflammation of endodontitis is limited to the inner tooth, with maxillofacial pain caused by nerve conduction, this kind of inflammation can be extracted, but there is a preservation value is recommended to do root canal treatment. Chronic apical inflammation is generally confined to the apical position and can be extracted, and if it becomes an abscess, it is recommended that the tooth be extracted at a later date. Periodontitis can be extracted if the tooth is loose, and periodontal abscess can be extracted at a later date. When the inflammation is severe, the anesthesia effect is poor when removing the affected tooth, which may cause obvious pain, and may lead to the spread of inflammation, easy to bleed locally, and easy to cause fever in the whole body, so it is recommended to remove the tooth after the inflammation subsides.