Root canals, also known as Endodontic therapy, are needed when the nerve of the tooth becomes infected and inflamed due to dental decay, a cracked or broken tooth or an injury to the tooth. The canals are cleaned, nerve tissue and pulp are removed to ensure all the bacteria have been cleared. Although root canal treatment saves your natural tooth, prevents tooth extraction, and eli... https://dentistryon7th.ca/services/root-canal-therapy/