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Why do you need a Root Canal?

Root canal (endodontic treatment) is performed to save a tooth that has a damaged nerve and pulp. Infection, inflammation and irritation can occur in the nerve due to facial trauma, deep decay, repeated treatment on a tooth or a chip or crack in the tooth. Many times, a tooth will become sensitive to hot or cold temperatures, ache when chewing or applying pressure. The tooth may discolor (darken) and the affected area may become swollen and tender.