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November 27, 2025Your tooth starts to hurt, and at first, it feels easy to ignore. But the pain doesn’t stop and slowly gets worse. This can happen when a tooth is infected or damaged. A root canal may be needed to fix the problem and save the tooth. Many people wait too long, and the issue becomes more serious. In this article, we explain the early root canal treatment signs, so you know when to get help.
Persistent Toothache
A tooth that hurts all the time may be infected. The pain can feel sharp or dull. It may come and go or stay constant. This pain often starts when there is deep decay or damage inside the tooth. When the nerve inside becomes infected, it causes pressure and pain. Tooth pain that does not stop is one of the most serious signs that says you need root canal treatment in Avondale.
Lingering Sensitivity
If you feel strong pain after eating or drinking hot or cold food, the nerve inside the tooth may be damaged. The pain can last even after the food is gone. It may feel sharp or deep inside the tooth. This shows the tooth is not healthy. Normal teeth stop hurting after a few seconds, but damaged ones stay sensitive for a long time.
A Darkened or Discolored Tooth
A tooth that turns gray or dark may have a problem inside. This can happen after an injury or infection. When the tissue inside the tooth dies, the color changes. A discolored tooth often means the pulp has died and the tooth needs treatment. Even if it does not hurt, the tooth is not healthy and needs attention.
Swelling
Swelling near the tooth or gum area shows that the body is fighting an infection. You may see your face or jaw puff up on one side. The gum can feel warm or sore. This kind of swelling means the infection has spread, and the tooth may need a root canal. You should not ignore swelling because it can get worse fast.
Bump on the Gum
A small bump near the tooth on the gum can be a sign of infection. This bump may look like a pimple. It may leak fluid or feel soft to the touch. The bump shows that the tooth has an abscess, and the body is trying to push out the infection. This is one of the root canal treatment signs that dentists see often.
Chipped or Cracked Tooth
A crack or chip in the tooth can let bacteria reach the nerve. When this happens, the tooth starts to hurt or feel sensitive. You may notice pain when chewing or biting. Even small cracks can lead to infection. If the tooth gets damaged, it may need a root canal to stay healthy.
Severe Wear
Teeth that look short or flat may have damage from grinding or acid. This kind of wear removes the outer layer of the tooth. The nerve becomes more exposed, and the tooth starts to hurt. People who grind their teeth at night often have this problem. If the tooth hurts or feels weak, a root canal may be needed.
Last Word
Many signs can show a tooth needs a root canal. Root canal treatment signs often point to a serious issue inside the tooth. Acting early helps save your tooth and stops the infection from spreading. At Desert Lake Family Dentistry, our dental experts in Avondale can check your symptoms and provide the right treatment to keep your smile healthy.
FAQs
How to tell if tooth pain needs a root canal?
Tooth pain that stays for a long time, gets worse with heat or cold, or causes swelling may need a root canal.
What is the first stage of a root canal?
The dentist checks the tooth, takes an X-ray, and removes the infected pulp to clean and protect the inside.
At what age do most people get their first root canal?
Most people get their first root canal between ages of 30 and 50, but it can happen earlier after injury or deep decay.
Is it better to get a root canal or an extraction?
A root canal saves the natural tooth, while an extraction removes it. Dentists often recommend saving the tooth if possible.




