Learn some tips and hints that I've learned from my mentors and endo experts to be able to confidently complete a maxillary molar in 1 hour.
A root canal has to be performed if the dental nerve (Latin: Pulpa) has died and/or is infected. In this case the nerve (pulp) was irreversibly inflamed. The objective of a root canal is to completely remove the destroyed tissue (which may also be infected with bacteria in some cases) from the inside of the tooth, so that the infection is prevented from spreading to the bone.