Cavity toothache treatments include oral pain medications, artificial material fillings, and root canals, and the doctor will choose the treatment based on the patient’s specific situation. Cavity tooth, or dental caries, is a chronic bacterial, progressive destructive lesion of the hard tissues of the teeth. It is related to the oral environment, diet, the host’s own factors and time factors. Patients with caries often have symptoms such as toothache, tooth sensitivity, swollen gums, etc. In severe cases, endodontic and periapical diseases may also occur. 1. Oral pain medication: When there is no condition to go to the hospital for tooth decay, you can take oral pain medication temporarily as prescribed by the doctor, including ibuprofen tablets, etc. The pain medication can temporarily relieve tooth pain, and then you should go to the hospital in time to receive targeted treatment. 2. Artificial material filling: If the teeth are sensitive to acid, sweet, cold and hard, usually considered as medium-depth caries, can be taken to remove the decayed tissues, filling and repairing the treatment method. Silver mercury and composite resin are often used in clinic, and according to different situations, sometimes inlays can also be used for filling. 3. Root canal treatment: If the insect teeth appear night pain, paroxysmal pain, at this time the caries often affect the pulp, that is, the nerve. At this time, the tooth needs to be treated with root canal therapy, commonly known as nerve extraction, which removes the necrotic nerve and decayed tissues together, and then the root canal is tightly filled. If you feel unwell, you should go to the hospital in time to avoid delaying your condition or causing adverse reactions.