Can a root canal procedure increase the risk of disease?  The evidence is clear – allow me to explain.
In our book The Toxic Tooth, Dr. Thomas E. Levy and I make the case that root canal-treated teeth remain infected, are a focal source of pathogenic bacteria and toxins that disseminate throughout the body, and are a cause of – or contributor to – a host of systemic diseases.
Armed with this information, a person who has an infected tooth has an important decision to make:  Do I “keep” this tooth by having a root canal procedure performed on this tooth, knowing that this tooth may subsequently have a negative impact on my health, or do I extract this tooth and elect another type of dental restoration?…