A root canal is recommended to people who have a severely cracked, injured or decayed tooth and causes pain because of inflammation and infection. Root canal, also known as Endodontic, if not done at the right time can lead to serious infections in the mouth. Depending on the type of infection and location of the tooth, root canal treatment can be done in two or three visits. The dentist will create a small hole in the infected too and remove the pulp and nerves – this helps in preventing the infection from spreading further. Once this process is done, the area will be cleaned and you will be able to use your new tooth like before.