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Dr. Arman Torbati DDS.

➤ Harvard & USC Graduate
➤ Associate Professor at USC
➤ Diplomate, American Board of Prosthodontics
➤ Prosthodontist, Cosmetic & Implant Dentist

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11600 Wilshire Blvd. Ste 300
Los Angeles, CA 90025

Phone: 310.553.3428
Office hours:
Mon-Fri 8:00AM - 5:00PM
Sat 9:00AM - 2:00PM

Failed Root Canal Treatment

Decay or infection often causes damage to a tooth. This may require the root canal to get rid of the pulp and damaged nerve. A root canal is performed when the infected tooth shows severe pain symptoms, which requires immediate emergency treatment. They are some of the most common endodontic procedures. They can prevent your tooth from getting another infection when they are well performed. It is worth noting that all root canal therapy does not always work, so if you have had a failed root canal, you can seek other options that support healing.

What is a Failed Root Canal?

A failed root canal occurs when the tooth becomes infected again, or the original treatment does not get rid of all the infection. It could take weeks, months, or even years for the failed root canal to present. Some of the infection symptoms you may recognize include swelling, pimples on the gum, or tooth discoloration, because of having already once gone through root canal treatment. If you do not get treatment, the infection could spread to the rest of the other teeth. So if you would like to save your tooth, it would be best to go to your endodontist once you notice the symptoms immediately. Going early enough makes it easy to save your tooth. When a root canal fails, you may not immediately detect the failure. Some patients show no symptoms of a failed root canal, and some may have symptoms that differ from when they had their first root canal. Whatever the signs you present are, have in mind that a pulp infection cannot heal by itself. It needs treatment.

Symptoms of a Failed Root Canal

Some of the symptoms of a failed root canal include:

  • Swelling near the tooth that is affected
  • Neck or facial swelling
  • Pus-filled abscesses near the treated tooth
  • Pain in the treated tooth
  • The gum tissue where the root canal was performed becomes tender
  • The tooth becomes discolored
  • A boil or pimple on the jaw
  • Sensitivity when you bite down

It is normal to experience some pain, which may last for several days, after a root canal. However, if the pain does not go away and you find it hard to chew or eat, go back to your doctor.

Reasons Why Root Canals Fail

A root canal could fail because of an unexpected development, structural abnormality, or an oversight on the dentist's part. For instance, they could miss one of your canals or delay in placing the dental crown. Other reasons that may cause root canal failure include obstruction, dental crown placement, salivary contamination, root canal structure, and traumatic dental injuries. A failed root canal is rarely the dentist’s fault. This is because dentists often ensure that they do the best to treat your tooth. It would be best to visit an endodontist if you plan to have a root canal instead of seeing a regular dentist. This is because they specialize in root canals, so they have great expertise and more experience.

How a Root Canal is Fixed

Several options can be used to fix your root canal. This includes apicoectomy, extraction, and retreatment. Retreatment is the most common treatment solution for failed root canals. If the retreatment fails, the tooth will have to be extracted, and you may require a dental implant to fill the gap. Call and book a consult with Dr. Torbati if you suspect you present any of the symptoms listed or have any teeth problems. He has the skills to use modern root canal therapy to save your teeth regardless of your problem. You may require a root canal if you have extensive tooth decay, advanced gum disease, or a fractured tooth.

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