A root canal is when your dentist removes the pulp inside your tooth and seals it with a
biocompatible material. The pulp consists of nerves and blood vessels that help keep your tooth alive. However, certain situations can cause the pulp of your tooth to die or become infected, which can compromise the health of your tooth.
Fortunately, a root canal can prevent the need for an extraction and save your natural tooth. Root canal therapy is generally only used as a last resort to save the tooth, so when might it be necessary?
Read the full article here: When Might a Root Canal Be Necessary?