Top 5 Signs You May Need a Root Canal – And What to Expect


Man at dentist getting root canal treatment

Root canals often get a bad reputation, but they are actually a straightforward and effective way to save a damaged or infected tooth. Recognizing the signs that you might need a root canal can help you seek treatment early and avoid further complications. At Valley Dental Care, we’re here to guide you through the process and ensure you have a comfortable experience. Here are five signs you may need a root canal and what to expect if you need this procedure.

1. Persistent Tooth Pain

One of the most common indicators of an issue is prolonged tooth pain, especially if it doesn’t go away on its own. Pain may be constant or triggered by certain activities, such as chewing or applying pressure. While tooth pain can stem from a variety of causes, persistent discomfort may suggest an infection within the tooth pulp that requires a root canal to relieve.

2. Sensitivity to Hot and Cold Temperatures

If you notice a lingering sensitivity to hot or cold foods and beverages, this could be a sign that the nerves in your tooth are affected. Sensitivity that lasts even after you’ve stopped eating or drinking may indicate inflammation or infection in the tooth’s pulp, a strong indicator for a root canal.

3. Discoloration of the Tooth

When a tooth becomes discolored or darkens without any apparent reason, it may be due to damage or infection in the pulp. While tooth discoloration can have various causes, such as trauma or decay, a root canal might be needed if the issue stems from an internal infection. Learn more about tooth discoloration from the Mayo Clinic.

4. Swollen or Tender Gums

Gum inflammation or tenderness near a specific tooth could mean that an infection has spread beyond the tooth. In some cases, you may notice a small, pimple-like bump on the gum near the affected tooth. This is known as a dental abscess and is a clear sign of infection. Root canal therapy can help clear the infection and reduce gum swelling. The American Dental Association (ADA) provides further details on the symptoms and treatment options.

5. Pain When Chewing or Touching the Tooth

Pain when biting down or touching the tooth may indicate severe decay, a crack, or damage to the pulp. This sensitivity can worsen over time and become a continuous problem if left untreated. A root canal can help by removing the damaged tissue and relieving discomfort.

Learn more about symptoms and treatments for infected teeth on our Root Canal Treatment page.

What to Expect During a Root Canal Procedure

If you’ve been told you need a root canal, it’s natural to feel a bit anxious. However, understanding what to expect can make the process less intimidating. Here’s a step-by-step breakdown of what happens during a typical root canal:

  • Preparation and Numbing: Your dentist will begin by numbing the area around the affected tooth to ensure you don’t feel any pain. Once the area is numb, a protective shield is placed around the tooth to keep it dry and free from saliva.
  • Removing the Infection: Using specialized tools, your dentist will carefully remove the infected pulp from the inside of the tooth. The pulp chamber and root canals are then thoroughly cleaned to eliminate any bacteria.
  • Filling the Canals: After the canals are cleaned, they are filled with a biocompatible material called gutta-percha, which helps prevent future infection. The tooth is then sealed to protect it from further damage.
  • Restoration: In most cases, a crown is placed on top of the treated tooth to restore its strength and function. Crowns are designed to match the appearance of your natural teeth, ensuring a seamless look.

What to Expect After the Procedure

After your root canal, it’s normal to experience some mild discomfort or sensitivity for a few days. This can be managed with over-the-counter pain relievers and should subside quickly. Your dentist will provide you with post-treatment care instructions to help ensure a smooth recovery.

To learn more about our approach to restorative care, visit our Crowns & Bridges page.

A root canal is a highly effective treatment for saving a damaged or infected tooth, and it’s often far less uncomfortable than many people expect. By recognizing the signs early, you can get the treatment you need to protect your smile. At Valley Dental Care, we prioritize patient comfort and provide the best possible care to help you through every step of the process. If you’re experiencing any of these symptoms or have concerns about your dental health, don’t hesitate to reach out. Schedule an appointment at our Aurora office at (630) 892-2193 or our Oswego office at (630) 551-7000.