Failed Root Canal Treatmenttoo
can be saved again
When a previous Root Canal Treatment has failed, we use a microscope and 3D CTfor precise Root Canal Retreatmentto preserve your natural teeth.
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Root Canal Retreatment Why it's different
The difference a microscope makes
Precision retreatment under a microscope
We safely remove previous filling materials and locate and treat missed canals.
Detailed 3D CT analysis
We precisely identify complex canal anatomy and the extent of infection in advance.
Ultrasonic instruments
With ultrasonic instruments, existing filling material and (post) are safely removed.
MTA Filling
We precisely seal the root tip with highly biocompatible MTA.
Root Canal Retreatment Attending Doctor
Graduate of Seoul National University Conservative Dentistry Our specialists are committed to preserving your natural teeth.
Seola Jo Director
Root Canal Retreatment · Root Canal Treatment · Conservative Care
- Seoul National University, School of Dentistry
- M.S., Graduate School of Dentistry, Seoul National University
- Ph.D. coursework completed, Graduate School of Dentistry, Seoul National University
- Board-certified Specialist in Conservative Dentistry
- Specialized in Root Canal Retreatment
Minji Kang Director
Root Canal Retreatment · Natural Tooth Preservation · Conservative Care
- Seoul National University, School of Dentistry
- M.S., Graduate School of Dentistry, Seoul National University
- Ph.D. coursework completed, Graduate School of Dentistry, Seoul National University
- Board-certified Specialist in Conservative Dentistry
- Specialized in Natural Tooth Preservation
Root Canal Retreatment Process
Precise step-by-step treatment
Detailed 3D CT analysis
We precisely analyze the cause of infection and the root canal anatomy with 3D CT.
Removal of previous filling material
Under a microscope, we safely remove the previous filling material and posts.
Re-cleaning & disinfection of canals
We locate missed canals and thoroughly clean and disinfect any remaining infection.
Precise re-sealing
We precisely seal the canals with biocompatible materials such as MTA.
Crown Crown replacement
We fabricate and place a new crown to protect the tooth.
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Frequently Asked Questions
Get answers to your questions
With a microscope and 3D CT, success rates of 70–80% or higher are achievable.
Typically 3–5 visits over 2–4 weeks.
Root apexAdditional treatment is possible with an apicoectomy.
With adequate anesthesia, there is little to no pain during the procedure. However, removing the old filling adds a step, so it can take longer.
There is an additional surgical option called an Apicoectomy. If that still doesn’t work, after extraction Dental ImplantWe consider every factor. We aim to preserve your natural teeth step by step.
Root Canal Retreatment—consult with a specialist
With an accurate diagnosis, we recommend only the treatment you truly need.
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On this topic, columns written by our clinic director
We’ve organized the questions we’re most often asked in the clinic.