Should a Dentist Pay for a Failed Root Canal? (Here’s the Real Answer)
Root canals aren’t fun.
But you know what’s worse?
Going through one—and then finding out it didn’t work. 😣
So you might be wondering:
If a root canal fails, should the dentist cover the cost?
It’s a fair question.
Here’s the real-world truth, straight from the team at Tribute Family Dentistry.
First: Why Do Root Canals Sometimes Fail?
Even when done perfectly, root canals can sometimes fail for reasons outside anyone’s control.
Here’s why:
- Hidden canals: Some teeth have tiny, hard-to-see extra canals that can hide infection.
- Cracked roots: Even micro-cracks can let bacteria sneak back in.
- Complex anatomy: Curved roots and deep infections are harder to clean completely.
- New decay or trauma: A new cavity or dental injury can cause a previously treated tooth to reinfect.
Good dentists do everything they can to prevent these problems—but teeth, like people, aren’t always predictable.
So, Should the Dentist Pay If the Root Canal Fails?
It depends.
Here are the most common scenarios:
| Situation | Responsibility |
|---|---|
| Obvious mistake or negligence | Dentist may offer free retreatment or refund |
| Normal risk (no clear fault) | Patient usually covers retreatment costs |
| Office warranty or policy | Some offices offer limited warranties for peace of mind |
At Tribute Family Dentistry, we stand by our work.
If a root canal fails due to unforeseen issues, we always work with you to find a fair, honest solution—whether it’s retreatment, referral, or financial adjustments if appropriate.
Do Most Dentists Guarantee Root Canals?
Not typically.
According to the American Association of Endodontists, root canal success rates are high—over 85–95%!
But no dentist can guarantee 100% success, because biology, anatomy, and patient factors play big roles.
What Are Your Options If a Root Canal Fails?
✅ Endodontic Retreatment:
Cleaning, disinfecting, and resealing the tooth again.
✅ Apicoectomy:
A surgical procedure to remove infection at the tip of the root.
✅ Tooth Extraction + Implant or Bridge:
Sometimes the best choice for long-term health.
At Tribute Family Dentistry, we’ll talk you through every option honestly—no pressure, no guilt.
Learn more about our Restorative Services here.
Can You Avoid Root Canal Failure?
You can improve your chances of long-term success by:
- Getting a crown placed over the root canal tooth (to protect it from fractures)
- Keeping excellent oral hygiene
- Coming in for regular professional cleanings
- Avoiding habits like chewing ice or hard foods
Do Dentists Lie About Root Canals?
Honest dentists don’t—and shouldn’t—ever lie about needing a root canal.
At Tribute Family Dentistry, we believe in full transparency.
Root canals are recommended only when absolutely necessary—typically when the nerve of the tooth is infected or irreversibly inflamed.
That said, not every toothache means you need a root canal.
If you ever feel unsure, it’s perfectly okay (and smart) to ask questions or seek a second opinion.
A good dentist will welcome your curiosity—and walk you through your X-rays, symptoms, and all your options before moving forward.
We’ll always take the time to explain your choices clearly, so you feel confident in every step of your dental care.
Final Word: Communication Is Key
If you’re ever unhappy with a dental outcome, talk to your dentist first.
At Tribute Family Dentistry, we pride ourselves on being approachable, transparent, and focused on what’s best for you.
Need a second opinion about a failed root canal?
Contact us today—we’re happy to help.