Do You Need a Root Canal? 7 Warning Signs You Shouldn't Ignore

Toothaches are more than just a nuisance—they can be a warning sign of a deeper dental issue. One of the most common solutions for severe tooth decay or infection is a root canal treatment. But how do you know if you actually need one?

Let’s explore the most common signs that could indicate it's time to visit your dentist for a possible root canal.

1. Persistent Tooth Pain

Pain is one of the first indicators. If you’re experiencing continuous pain that doesn’t go away, especially when chewing or applying pressure, it might be due to an infection deep inside the tooth. Root canal pain often stems from the inflamed or infected pulp inside the tooth, and the discomfort may worsen over time if left untreated.

2. Sensitivity to Hot and Cold

Do you feel a sharp, lingering pain when sipping hot coffee or eating ice cream? This sensitivity—especially if it lingers after the source is removed—can signal nerve damage or infection within the tooth that requires a root canal.

3. Swollen or Tender Gums

Swelling near a painful tooth may indicate an abscess or infection. Gums may also feel tender or develop small bumps (often referred to as gum boils). This is your body trying to fight off the infection, and it should not be ignored.

4. Darkening or Discoloration of the Tooth

When a tooth becomes infected, it may begin to appear darker or grayish in color. This happens due to the breakdown of internal tissues and is a clear sign the nerve may be dying—something only a root canal can properly treat.

5. Cracked or Chipped Tooth

A crack or chip—whether from injury or biting something hard—can expose the nerves and make the tooth vulnerable to bacteria. Even if it doesn’t hurt initially, bacteria can enter the pulp and cause an infection that leads to the need for a root canal.

6. Pimple on the Gums (Dental Abscess)

A pimple-like bump on the gum near a painful tooth can indicate a dental abscess, which forms when pus accumulates from a bacterial infection. These abscesses may drain fluid, causing a bad taste or odor.

7. Loose Tooth

An infected tooth can feel looser than usual due to bone loss or inflammation in the surrounding area. If a tooth feels unstable or wiggles, it could be a sign the root is compromised and needs treatment.

While many people fear root canals, modern dentistry has made them relatively pain-free and extremely effective at saving natural teeth.

Not sure if you need a root canal?

Dentist Adda can help. Our experienced dental professionals use the latest technology to diagnose and treat root canal problems with comfort and care. Book a consultation today and take the first step toward a pain-free, healthy smile.