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Signs You Might Need a Root Canal: How to Spot Deep Tooth Infection

Tooth decay doesn’t happen overnight. It begins subtly on the outer enamel layer and slowly advances deeper into the dentin until it reaches the sensitive pulp nerve inside. Recognizing early warning signs of deep nerve inflammation allows you to seek care before infection causes severe facial swelling or permanent tooth loss.

Here are the 5 classic warning signs that indicate you may need a Root Canal Treatment to save your aching tooth.

Body

  1. Persistent, Throbbing Pain That Keeps You Awake:

Pain that lingers long after you finish eating, or throbbing jaw aches that worsen when you lie down flat at night, are classic indicators of an inflamed dental pulp (irreversible pulpitis).

  1. Extreme Sensitivity to Hot and Cold Foods:

If sipping hot tea, coffee, or cold water causes a sharp, lingering pain that lasts for 15 to 30 seconds or longer after the food is gone, the inner nerve fibers are actively damaged.

  1. Pain or Tenderness When Chewing or Touching the Tooth:

Feeling sharp discomfort when biting down or tapping gently on the tooth indicates that infection has reached the periodontal ligament surrounding the root tip beneath the bone.

  1. A Persistent “Pimple” or Swelling on Your Gums:

A raised bump (fistula) on the gum near an aching tooth acts as a drainage channel for localized pus. It may drain, release a bad taste, and swell periodically.

  1. Tooth Discoloration (Darkening to Grey or Brown):

If a single tooth turns dark grey or brown following a past injury or deep cavity, it means the internal nerve and blood vessels have died, requiring endodontic cleaning to prevent infection.

Conclusion

Ignoring the early signs of pulp infection only allows bacteria to spread deeper into your jawbone. Timely endodontic care stops pain immediately and saves your natural smile.

Noticing lingering sensitivity or tooth pain? Schedule a digital endodontic assessment at Pearl Dental Kochi today.