Root canal treatment is needed for two main reasons: infection or irreversible damage to the pulp. An untreated cavity is a common cause of pulp infection. The pulp can also become damaged from trauma, a fracture or extensive restorative work, such as several fillings placed over a period of time. Sometimes a common dental procedure can cause the pulp to become inflamed. On occasion, preparing a tooth for a crown can lead to the need for root canal treatment.
The goal of root canal treatment is to save the infected tooth by removing the infected or damaged pulp, treating any infection, and filling the empty canals with an inert material. If root canal treatment is not done, the tooth may have to be extracted.
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Some indications that a tooth may need a root canal are:
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A tooth that hurts when you bite down, touch or push on it
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Sensitivity to heat
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Sensitivity to cold that lasts longer than a couple of seconds
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Swelling near the tooth that hurts
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A discolored tooth, with or with pain
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A broken tooth
Dr. Lingo's Post-Op Root Canal Instructions
Understanding Root Canal Treatment
