Root canal therapy is the treatment of the nerve of a tooth which results in the clearing of infection, and protection of future microbial invasion.
The illustration shows the process of a tooth needing and going through root canal treatment:
- the tooth is infected and has an abcsess at the root
- the dentist clears the infection and shapes the the pulp chamber of tooth
- the root chambers of the tooth are filled and sealed to prevent future infection
- a crown is placed on top of the tooth to prevent fracture of the weakened tooth structure