Root of the Problem: How to Tell If Your Root Canal Went Off Track

A root canal is supposed to be the end of your dental woes, not the start of new ones. But what happens when that post-procedure pain isn’t just the usual recovery sting? If you suspect your ongoing issues are due to a dentist’s error, consulting a medical negligence attorney could be wise. While most root canals go smoothly, there are unfortunate cases where something goes wrong, not just in your head or jaw. Dental malpractice, especially with something as delicate as a root canal, is real and can have lasting consequences if left unaddressed. Here’s how to recognize the red flags that might signal your dentist made a mistake.

1. Persistent Pain That Doesn’t Let Up

A little discomfort after a root canal is normal. But if you’re still wincing days or weeks later, your body might try to tell you something’s wrong. Persistent, sharp, or throbbing pain can mean the dentist didn’t fully remove the infected pulp or seal the canal properly. The root of the problem is still in there—literally.

2. Swelling That Just Won’t Quit

Post-procedure swelling is common, but prolonged puffiness in your face or gums might suggest an underlying infection. If the treated tooth or surrounding area looks like it’s auditioning for a chipmunk cosplay a week after your appointment, that’s your cue to call someone. You could be dealing with an abscess or reinfection from incomplete cleaning or improper sealing.

3. Tooth Discoloration (No, It’s Not Just Coffee)

Over time, teeth can stain from coffee, tea, or that third glass of red wine—but a darkening tooth shortly after a root canal is different. A gray or black tooth might signal that the nerve wasn’t fully removed or that the tooth is dying (again). It’s not just cosmetic—it’s a flashing neon sign that something was missed.

4. Cracked or Broken Tooth Post-Procedure

A successful root canal should leave the tooth structurally intact, especially after a crown is placed. If your tooth cracks or breaks soon after the procedure, it may point to poor restoration, inadequate protection, or a mishandled file during the root canal. Not only is it painful, but it can also leave the tooth vulnerable to further damage and infection.

5. Numbness That Lingers Too Long

Your mouth should feel a little funky after anesthesia, but if that tingly numbness doesn’t fade after a few hours, or worse, sticks around for days, it could be a sign of nerve damage. Over-instrumentation or injecting too close to a nerve can cause long-term numbness or tingling in the lips, tongue, or face, which is not normal and not okay.

6. Sinus Problems? Yep, That Can Be Related

Believe it or not, sinus issues can sometimes be traced back to a botched root canal, especially in your upper teeth. If you’re suddenly experiencing sinus pressure, congestion, or strange drainage after the procedure, the dentist may have accidentally pushed debris or filler into the sinus cavity. It sounds wild, but it happens more often than you’d think.

7. X-Rays That Don’t Add Up

If you’re ever unsure about the quality of your root canal, ask for a follow-up X-ray. If it shows voids in the filling, overextended material beyond the root tip, or missed canals entirely, that’s hard evidence of a mishap. A second opinion from another dentist can help confirm if your current smile is sitting on shaky ground.

Conclusion

Dental work isn’t just about a good smile—it’s about your overall health. If you’re noticing signs that something went wrong with your root canal, don’t just grit your teeth and bear it. Seek a second dental opinion to assess the damage and consult a medical negligence attorney. Dental malpractice is serious, and you may be entitled to compensation for pain, additional treatment costs, or long-term damage. Knowing the signs can help you take action—and get back on the road to healing, one tooth at a time.