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Endodontic Retreatment in Boston

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When Endodontic Re-Treatment Is Needed

North Shore & Brookline Endodontics provides endodontic therapy, including re-treatments, in Brookline, Peabody, Beverly, Gloucester, and Newburyport. Contact our dental office today at one of our five locations to learn more about our services and schedule your appointment. 

Root canal treatment enjoys a 90-95 percent success rate. Occasionally, infection returns and the root canal fails. In these circumstances, you may need a procedure called endodontic re-treatment. 

Endodontic re-treatment involves reopening your tooth to clean, sanitize, and reshape the chamber and canals to eliminate bacteria, prevent reinfection, and save your tooth. At North Shore & Brookline Endodontic, we take the time to thoroughly assess the risk factors in every case.  When needed, we use 3D imaging (CBCT scans) and digital radiography to evaluate and determine the best treatment option for your specific needs.  

Endodontic re-treatment is best performed by endodontists. Endodontists are specially trained dentists who receive two or more additional years of training after dental school in order to specialize in the treatment of tooth pain, infected pulp, and root canals. No one is more qualified to perform these procedures than an endodontist, so you can feel confident knowing you’re getting the best possible care.

It is unusual for root canals not to heal properly, but complications can occur under the following circumstances:

  • Curved or narrow canals, or calcified canals
  • Complicated root anatomy
  • Delayed placement of a final restoration
  • Bacterial leakage due to inadequate final restoration
  • New decay
  • A loose, cracked, or broken crown exposing the tooth to bacteria
  • Fracture

In other cases, the initial root canal does heal properly, but reinfection occurs months or years down the line after dental trauma or new damage to the tooth.

Alternatives to Endodontic Re-Treatment

In some cases a surgical procedure called apicoectomy can be performed instead of re-treatments.  If neither re-treatment or apicoectomy is possible, your tooth can be extracted and replaced by a bridge or dental implant.  Our treatment philosophy as endodontists is to preserve your teeth.

Our practice offers a full range of endodontic care. Other services include sedation endodontics for patient comfort, care for traumatic dental injuries, and treatment for cracked teeth and fractures.

Root Canal Treatment (Explained)

Root Canal Treatment (Summarized)

When concerns arise after root canal therapy, our specialist may recommend root canal retreatment to address lingering infection or new underlying issues. This advanced endodontic treatment, commonly referred to as endodontic retreatment, focuses on carefully reopening the pulp chamber, removing previous filling material, and evaluating the nerve and surrounding tissues to identify the source of discomfort.

Using cone beam computed tomography, digital radiography, and detailed x rays, our doctors rely on the latest technology to plan a precise retreatment procedure with enhanced precision. The primary goal is to restore function, relieve symptoms, and preserve your natural tooth whenever possible, helping you avoid extraction and protect your long term health.

At our practice, your visit is centered on compassionate, individualized endodontic care. Our dedicated team values ongoing education and is committed to providing exceptional care and exceptional care standards that reflect the highest quality care for every patient and their family. If you are searching for a trusted solution, we welcome you to contact our office to learn how this treatment can help safeguard your smile.

Frequently Asked Questions About Endodontic Re-Treatment

Do root canals need to be redone?
In most cases, a root canal treatment will last a lifetime. Occasionally, a tooth will become reinfected, in which case a second root canal, or endodontic re-treatment, is needed.
Can a root canal fail 20 years later?
Yes, root canals can fail months after treatment or years after treatment. There are many potential causes for this—your crown may be loose, new decay may have formed under the crown, or the tooth could have fractured.
Is root canal re-treatment successful?
Root canal re-treatment can have up to an 90 percent success rate, depending on the circumstances. Choosing a skilled endodontist increases the odds of a successful outcome.
Should I re-treat a root canal?
If your tooth is re-infected, your choices are to have it extracted or have endodontic re-treatment. Saving your natural tooth is always preferable to extracting a tooth and having to replace it with a bridge or dental implant, so re-treatment is recommended. If your original root canal was performed years ago or by another provider, we may be able to offer new techniques for better results.
How do you do endodontic re-treatment?
Endodontic re-treatment is similar to your original root canal, with a few differences. Getting access to root canal space may require removal of a crown, posts and other restorative materials first. Then the original root canal filling is removed, and the root canal space is re-cleaned and sealed.
What are the symptoms of a failed root canal?
The most common sign of a failed root canal is pain—this could be only when you eat or bite or a persistent pain that doesn’t go away. You’re also likely to experience swelling and tenderness. You may have a fistula, which is a pimple-like bump near the affected tooth, or notice that your tooth feels loose.
What can I expect after root canal re-treatment?
You can expect a recovery that is similar to your first root canal—you may have some mild pain, tenderness, and swelling near the tooth. Cold compresses and over-the-counter pain relievers can alleviate such discomfort. Eat soft foods and avoid chewing with the affected tooth until any pain subsides.
Do I need a new crown after root canal re-treatment?
No, the crown is almost never removed for root canal re-treatment. In many cases, your endodontist can go through the crown and complete treatment. Your dentist will advise you if a new crown is needed or the old one can be repaired.
Looking for a practice in the Greater Boston and Surrounding areas? Contact us at 617-735-8500 to schedule an appointment today!