While root canal therapy has a very high success rate, there are rare cases where a treated tooth may not heal properly or develops new problems over time. In these situations, root canal retreatment offers a second opportunity to save the tooth rather than removing it entirely.

At Peak Dental Utah, our experienced team uses advanced imaging and precise endodontic techniques to identify the cause of the issue, clean and reshape the canals, and reseal the tooth — giving it the best chance for full recovery.

What Is Root Canal Retreatment?

Root canal retreatment is a procedure that removes the existing filling and crown materials from a previously treated tooth, re-cleans the inner root canals, and seals them again to eliminate any lingering or new infection. A new crown is then placed to protect and restore function.

The process is similar to an original root canal but focuses on correcting previous complications or newly developed problems within the tooth structure. Success rates for retreatment typically exceed 75%, and for many patients, it’s a cost-effective and less invasive alternative to extraction and dental implants.

Why Root Canal Retreatment May Be Needed

Even with excellent care, a tooth that has undergone a root canal can sometimes fail to heal as intended. Common causes include:
• A cracked crown or leaking filling that allows bacteria inside
• Curved or narrow canals that were missed during the original procedure
• Delay in placing the permanent crown after treatment
• New tooth decay that compromises the restoration
• Fractures or trauma to the treated tooth
• Saliva contamination during the initial treatment
• Hidden or complex canal structures that were previously undetected

If the tooth still has strong bone support, a stable surface, and healthy surrounding gums, retreatment is often the best way to preserve it.

What to Expect During Root Canal Retreatment

Root canal retreatment typically takes one to three visits, depending on the tooth’s condition and complexity.

Step 1: Preparation and Access
After numbing the area with a local anesthetic, your dentist places a rubber dam to keep the tooth clean and free from saliva. Any existing crown or post is carefully removed to access the inner tooth.

Step 2: Cleaning and Disinfection
Old filling materials and blockages are removed using specialized ultrasonic instruments that loosen debris and allow access to the entire root canal system. The canals are then thoroughly cleaned, reshaped, and disinfected.

Step 3: Sealing the Tooth
Once cleaned, the canals are filled with gutta-percha, a biocompatible material that seals and protects against reinfection. A temporary crown or filling is placed until the final restoration is ready.

Step 4: Final Restoration
At a follow-up visit, your new permanent crown is placed and precisely adjusted for comfort and alignment.

Benefits of Root Canal Retreatment

• Saves your natural tooth and preserves your smile

• Prevents the need for extraction, implants, or bridges

• Relieves pain caused by lingering infection

• Strengthens and restores tooth function

• Offers a cost-effective, long-term solution compared to replacement options

Save Your Natural Tooth with Expert Retreatment

If you’re experiencing pain or complications from a previous root canal, don’t assume extraction is your only option. At Peak Dental Utah, our endodontic specialists can assess the problem and perform precise root canal retreatment to restore your tooth’s health and function.

Schedule your consultation today and explore the best options for saving your smile.