Toothache just after stenting may be cardiogenic toothache or other dental diseases, corresponding to the need for medication, surgery or root canal treatment. 1. Cardiogenic toothache. Toothache after stenting may be caused by angina pectoris due to postoperative cardiovascular spasm, which needs to be treated with medication such as nitroglycerin or nicorandil after ECG examination in the hospital to rule out infarction, and surgery is considered if necessary. 2. Other dental diseases. Toothache after stenting may also be the tooth happens to have pulpitis or apical periodontitis, need, root canal treatment to remove the pulp after the pain will gradually ease. It is recommended to go to the hospital in time to check the cause of the toothache after stenting to treat the cause of the toothache, and to follow the doctor’s prescription for medication.