Root Canals For teeth to remain alive and healthy, each tooth is supplied by nerves and nutrients through a chamber called the root canal. As decay spreads downward and into a decayed tooth, the decay encroaches on the pulp chamber of that tooth, which contains the nerve. This is often what leads to a toothache. To remove all of the decay from the tooth, sometimes it is necessary to ... https://mirandadentalcentre.com.au/services/endodontics/