• Why do I feel sensitivity even after a root canal?

I got a root canal a few days ago, but I still feel slight sensitivity. Is this normal? Why am I experiencing sensitivity?

8 Answers

  • Endodontist | Endodontics
  • Purcellville, Virginia

Yes, some slight sensitivity after a root canal is normal, especially in the first few days. Here's why you might be experiencing it: 1. Post-Procedure Inflammation Even though the nerve inside the tooth has been removed, the surrounding tissues like the ligament and bone near the root tip may still be inflamed from the procedure. This can cause mild discomfort or sensitivity, especially when chewing or biting. 2. Healing Process Your body needs time to heal after any dental procedure. Sensitivity during healing is common and should gradually decrease over a week or two. 3. Temporary Filling or Crown Fit If you have a temporary filling or crown, it may be slightly high or uneven, causing pressure and sensitivity. If this continues, your dentist can make a quick adjustment. 4. Bite Misalignment If your bite feels "off," even slightly, it can create pressure on the tooth and surrounding area, leading to soreness. When to Contact Your Dentist You should call your dentist if: The sensitivity worsens or doesn't improve after 710 days. You feel severe pain, swelling, or throbbing. You notice signs of infection e.g. pus, bad taste, fever.

  • Endodontist
  • Mountain View, CA

It is not unusual for a tooth to be a little sensitive to chewing or pressure for a few days after a root canal. This is usually due to the pressure, grinding and vibration of the procedure itself. It is normal that the ligaments around the tooth an get temporarily injured and this may last a few days. If the symptoms last more than a couple of weeks, you should contact your dentist and let them know.

  • Dentist
  • Chicago, IL

Root canal procedures are a minor form of surgery. During the process sometimes debris is forced through the tip of the root and into the bone. Your body will clean this up through a process which will include some internal swelling which you perceive as sensitivity. Unless there are germs involved, this sensitivity should subside soon.

  • Dentist
  • Chattanooga, Tennessee

You just had a nerve or nerves removed from a very tight sterile environment that was insulted by bacteria, in a dark area, full of digesting food, not to mention instruments introduced into the nerve canal to accomplish the healing process. It was traumatic and you should treat it as such and rest, follow instructions, take your medication, keep the teeth clean, don't eat Jawbreakers, and don't play with temporary filling. If it seems high, it's because they're still swelling.

  • Dentist
  • Freehold, NJ

Sensitivity after a root canal can be due to several reasons: 1. Hyperocclusion, where the the teeth are hitting against each other when biting due to the temporary filling or inflammation at the root tip of the tooth pushing the tooth into the bite; 2. Inflammation at the root tip due to the root canal procedure, which can require days or months for the tooth to quiet down; 3. Extra canals that are hidden that may need to be looked for; 4. Tooth could be fractured, which cannot be seen. Injection site pain, which can mimic a tooth pain. Possible grinding/clenching can require longer heal times. Other possibilities, this is not a full list.

  • Endodontist
  • Kenmore, WA

Hello,

It is normal for the tooth to be sensitive to biting or pressure or the gum to be sore for up to a few weeks following treatment.

Hope that helps,

Jeff Samyn, DDS, MSD

  • Endodontist
  • Glastonbury, CT

It is normal that after any work is done, 2-4 days after can often be the worst time. Usually within a week you should be okay. That being said, some cases take longer, and some cases, possible fractured teeth, might never feel quite right. Motrin, if you can take it, works well to control the discomfort. If the Motrin alone doesn't work, try adding Tylenol with it.

  • Dentist
  • Royal Oak, Michigan

This is normal. You may have discomfort for 7-10 days after the procedure.

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