Dr. Chris H. Fleming, D.M.D.
What is Endodontic Retreatment?
Root canal retreatments become essential when a tooth that has already undergone root canal therapy does not heal as expected or encounters a new infection. Various factors can contribute to the initial failure of a root canal treatment, resulting in the necessity for a retreatment procedure.
Potential Reasons for Endodontic Retreatment
- Ongoing infection due to leftover bacteria.
- New infection stemming from bacteria from a newly formed cavity that affects the root canal filling.
- Fresh infection resulting from a cracked or broken tooth or a faulty crown or filling.
- Healing issues related to the patient's overall health, immune system response, or existing dental problems.
- Difficulties encountered during the original treatment process.
How to Know If You Need Endodontic Retreatment
If you notice sensitivity, pain, swelling or tenderness, or discharge in the area around your treated tooth, you may be in need of a retreatment. The process is essentially the same as traditional root canal therapy:
Step 1: Local anesthesia is administered to numb the targeted area, ensuring a comfortable and pain-free experience during the procedure.
Step 2: The endodontist makes an access opening in the top of the tooth to reach the pulp and root canals.
Step 3: The damaged or necrotic pulp is carefully extracted from the pulp chamber and root canals.
Step 4: The interior of the tooth is meticulously cleaned and disinfected to eradicate bacteria and prevent future infections.
Step 5: The canals are shaped to prepare them for the filling material.
Step 6: The cleaned and shaped canals are sealed to prevent any chance of re-infection.
Step 7: A temporary filling is placed to close the access point in the tooth, marking the completion of the root canal treatment.
Step 8: Following the root canal procedure, you'll return to your general dentist for a permanent filling or crown, which will safeguard the tooth and restore its functionality.
