A root canal treatment is done to a tooth once the decay has spread to the nerve of the tooth. The root canal is successful at removing the infection but allowing the tooth to stay in the mouth. It saves the tooth from being removed. Saving a natural tooth is a wise decision if the roots are well formed and the bone levels are high. The tooth will require a crown once the root canal is completed, then the tooth has the strength to fully function.
This photo includes 2 individual implants with the root canal anterior to the implants. This radiograph shows the natural tooth was able to be preserved with a root canal treatment and the spaces were filled with individual implants.