Endodontics or root canal is a procedure that removes damaged or dead pulp of a tooth and sealing it with duct materials. Pulp is the inside of the tooth which contains nerves and blood vessels. It is situated in the central part of the root. Symptoms do not always include pain and may already have affected the tooth pulp irreversibly. Many times the tooth becomes dark or discolored due to trauma. In all these cases it is necessary to eliminate infection and supplement endodontics making a correct analgesics and anti inflammatory and antibiotic.