What Are the Signs That a Root Canal Is Needed?

Signs you may need a root canal include:

1. Severe toothache pain upon chewing or application of pressure
2. Prolonged sensitivity/pain to heat or cold temperatures (after the hot or cold has been removed)
3. Discoloration (a darkening) of the tooth
4. Swelling and tenderness in the nearby gums
5. A persistent or recurring pimple on the gums
6. Sometimes no symptoms are present