Root canal is usually needed if the naturally occurring pulp becomes injured or diseased, cannot repair itself or the tissue dies. Starting at $27, root canal is generally a straightforward procedure, eliminating infected pulp and preventing the decontamination of the tooth from future invasion; in turn relieving dental pain and restoring the tooth. An endodontist will perform this specialised treatment, carefully removing the pulp and cleaning, disinfecting and reshaping the root canal, which is then covered with a filling to seal the space.