
Root canals have a high success rate, but they aren’t always permanent. Sometimes, even years after treatment, a tooth may begin to hurt again or develop new signs of infection. In these cases, your dentist or endodontist may recommend endodontic retreatment, which simply means reopening the tooth, removing the old filling material, and giving the tooth a second chance to heal properly. Understanding why this happens can ease anxiety and help you make an informed decision about your care.
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