Painful tooth fire is both periodontitis, commonly known as fire tooth, is an infectious disease on the supporting tissues of the teeth, plaque is the main cause of periodontitis, infection from the marginal gingival sulcus retrograde infection deep infection pulp, pulp nerve endings are sensitive, when stimulated, can produce pain, can be manifested as pain on the same side of the tooth or the same group of teeth pain, but can not identify the direction, can not be located, but also The most important clinical symptoms are periodontal pus overflow and tooth loosening. The most important clinical symptoms are periodontal pus overflow and tooth loosening. Once the pain occurs, oral anti-inflammatory and pain relieving drugs including Yuanhu pain relieving tablets, Huanglian Shangqing tablets and Niuhuang detoxification tablets are taken for the lighter cases. Daily prevention of periodontitis is very important, if periodontal disease is formed, the lesion is irreversible. It is recommended that you must develop good oral hygiene habits, rinse your mouth after meals, brush your teeth in the morning and evening, use a medium to soft bristle toothbrush, brush your teeth effectively, remove as much plaque as possible without losing gum soft tissues, and use dental floss to remove plaque from between your teeth. Perform oral care once a year and deal with problems promptly. Patients with mild periodontitis can use mouthwash to control oral bacteria breeding and plaque formation.