Teeth without wormholes sometimes flashing pain, consider that there are caries, pulpitis, apical periodontitis and other diseases, need to be based on the cause of the general treatment, drug treatment, root canal treatment and so on. 1. Dental caries: it is related to eating too much sweet food, so you should eat reasonably and minimize the sugar content of food. You need to rinse your mouth after meals every day to avoid food impaction. Before cavities are formed, it is recommended to seal the fossa with fluoride. When the pain is severe, oral ibuprofen can be taken as appropriate to relieve pain. 2. Pulpitis: It is necessary to protect the pulp to prevent the pulp from being damaged, at present, we can choose to do direct pulp capping or indirect pulp capping, and if the result is not good, then we can consider doing root canal treatment to remove the pulp and necrotic tissues, and to prevent inflammation and infection. 3. Apical periodontitis: Root canal treatment is generally recommended to clean up the remaining tissue and prevent secondary infection. If there is still pain after root canal treatment, oral ibuprofen can be taken as appropriate for pain relief. When there is pain in the tooth, you should also pay attention to oral hygiene and brush and rinse your teeth regularly to prevent infected bacteria from aggravating the pain. All of the above methods should be carried out under the guidance of a medical professional.