3 Reasons You Need a Root Canal, Even if You Don’t Have a Toothache

February 3, 2026

a patient speaking with a dentist and smiling

Root canal treatment has a bad reputation, largely due to the fact that it’s often associated with a severe toothache, which is the most common symptom of an infection. However, the reality is that this treatment can preserve and restore the health of teeth, and it’s not always preceded by a toothache. Read on to learn three reasons why you still may need root canal treatment, even if you aren’t experiencing a toothache.

Common Signs Root Canal Treatment is Needed

Root canals are often recommended by dentists because an infection is either present in the tooth, or a tooth is at a high risk of becoming infected. Some of the most common signs that this procedure will be needed include:

  • Persistent and painful toothache
  • Visible damage or decay on a tooth
  • A pimple-like bump on the gums
  • Extreme dental sensitivity
  • A damaged restoration, like a dental crown

If you notice any of these signs, your best response is to call your local emergency dentist in Dallas to schedule an exam. They will take X-rays and examine your mouth to determine whether additional intervention, such as root canal treatment, is necessary.

3 Reasons a Root Canal May Still Be Needed Without a Toothache

While toothaches are the most common sign you need a root canal, because the interior nerves and pulp of the tooth is infected, there are a number of other reasons why treatment may be needed, including:

  1. A tooth has sustained moderate to major damage. Your dentist may recommend a root canal in this situation, even if you’re not in pain, to prevent an infection from developing and preserve your natural tooth.
  2. An infection has spread and killed the nerves in your tooth. Even though your toothache may have gone away, it’s not always a good sign. Infections can kill the nerves and eliminate your pain, but it can still spread and lead to additional oral health concerns when left untreated.
  3. Bone loss is visible at the end of the root. At your routine dental checkups, your dentist may spot signs of bone loss on your X-rays, signaling the need for root canal treatment.

Modern Techniques Make Treatment a Breeze

Although the thought of receiving a root canal to treat a tooth infection may sound scary, trust your dentist when they tell you it’s not as bad as you may think! Before the procedure even begins, your dentist will numb the area of your mouth being treated so you don’t feel anything. If you’re feeling very anxious, they may also administer sedation to help you feel more comfortable. These modern, soothing dental techniques ensure that your experience won’t be nearly as scary as TV will have you believe!

About the Author

Dr. Arrechea and her team offer same-day emergency dentistry and dental sedation to ensure a comfortable and positive experience for all of her patients. Offering a wide range of services in-house, many patients are able to receive treatment right away, as referral to other practices is rarely needed. For questions or to schedule an emergency visit, visit Daily Smiles Dental Dallas’ website or call 214-624-6221.