There are many causes of tooth pain, first of all, the cause of the disease should be clarified, and then targeted treatment, if the tooth pain caused by dentin sensitivity, caries, etc., sodium fluoride can be relieved. 1. If the tooth pain is caused by dentin sensitivity, sodium fluoride can be used to do desensitization treatment to relieve the pain, and it is recommended to reduce the stimulation of teeth by cold, heat, acid, and sweet. 2. If the tooth pain is caused by dental caries, it can be treated with sodium fluoride and other medications to relieve the pain when the permanent teeth have not yet formed cavities. 3. If the tooth is sensitive and painful due to tooth abrasion or root exposure, then sodium fluoride treatment is not effective and root canal treatment should be given. Pay attention to keeping the oral cavity clean and hygienic. If the tooth pain symptoms are not relieved, or accompanied by other symptoms, you should go to the hospital in a timely manner, to clarify the cause of the targeted treatment. The above medications should be used under the guidance of a doctor, avoid self-medication.