Before root canal treatment can be started, it is important to ensure the patient is a suitable candidate for the procedure and would benefit from retaining the tooth. The tooth should be assessed to make sure it is not too severely damaged and there is sufficient remaining tooth to restore it to a healthy functioning unit.
Once this is established and after suitable anesthesia has been achieved, the tooth is isolated with a rubber or dental dam. This is placed to make sure the tooth is treated in a clean and sterile environment and the patient’s tissues are protected during the procedure. This is currently believed to greatly contribute to the success of root canal treatment.

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