Tooth pain after one year of root canal treatment may be due to tooth fracture or post root canal disease.
1. Tooth fracture. After root canal treatment, the tooth loses its blood supply and is not as hard as a tooth with living pulp, so the tooth may be cracked or fractured after chewing hard objects, and the bite may be painful. Depending on the condition of the fracture, the tooth may need to be restored with a crown or extracted.
2. Diseases after root canal treatment. After root canal treatment, due to imperfect root canal treatment, long-term chronic inflammation may cause apical periapical inflammation of the tooth, bite pain symptoms, need to consider re-endodontic treatment or apical surgery after film examination.
Root canal treatment after one year of knocking the tooth pain, most of the dental disease, it is recommended to go to the hospital in time for examination, found that the problem is dealt with in time.