A root canal procedure is required when the nerve tissue (pulp) is contaminated, or becomes damaged. This allows bacteria to multiply in the pulp chamber which causes an infection or abscessed tooth. This puss filled pocket forms at the end of the tooth root causing discomfort, tingling, sensitivity and even pain. For some patients though, they experience no symptoms. However, if left untreated the infection can enter the blood stream creating serious health complications. Root Canals are an alternative method in some cases to save a tooth instead of performing extractions.