A highly effective way to save most of the natural tissue and structure of affected teeth, root canal treatment is also usually relatively swift, thanks to the latest dental technology.
– Dentists remove diseased or decayed nerve tissue in the dental pulp while preserving the original tooth crown.
– Modern local anaesthetics ensure the procedure is pain-free.
– Though many patients note subsequent sensitivity or some tenderness for only a few days, excessive pain is not normal.
If there is severe discomfort or soreness afterwards, contact the dentist or endodontist (specialist) for an early evaluation.
See here for more detail.