What is an infection after a root canal?


Quick Answer

An infection after a root canal refers to a potentially dangerous infection of the tooth after the procedure due to improper sterilization or sealing. Improper treatment during a root canal operation can lead to bacteria remaining or being sealed into the tooth that received the operation.

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Full Answer

Signs that indicate an infection has occurred include swelling and discomfort of the tooth area. An infected tooth should be medically evaluated as soon as possible as infections can lead to further health problems. Some tooth infection symptoms that result from a failed root canal can only be detected using an x-ray machine. Some reasons why root canal procedures fail include branched root canals and cracks in the tooth.

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