The term "root canal" comes from cleaning of the canals inside the tooth's root.
A root canal treatment is generally initiated to repair and save a badly damaged or infected tooth.
The procedure involves removing the damaged area of the tooth (the pulp), cleaning and disinfecting it and then filling and sealing it.
The common causes affecting the pulp are a cracked tooth, a deep cavity, repeated dental treatment to the tooth or trauma.
You may need one if you are experiencing any of the following symptoms: