Frequent vague toothache may be caused by periodontitis, gingivitis, wisdom tooth pericoronitis, etc. Prompt medical attention is recommended. A variety of causes can lead to toothache, such as gingivitis, periodontitis, and pulp (nerve) infection caused by dental caries (tooth decay) leading to pulpitis. In addition, wisdom teeth causing wisdom teeth pericoronitis is also a common cause of recurrent toothache. Develop good oral hygiene habits, brush your teeth properly for more than 5 minutes in the morning and evening, and rinse your mouth after meals. Regular oral examination. When tooth decay is found, go to the hospital in time for treatment. Often hidden toothache is recommended to conduct a comprehensive examination under the guidance of a professional dentist, to clarify the cause of the disease, the correct diagnosis and treatment.