Root canals are one of the most common dental procedures performed to save a tooth that is severely infected or decayed. Despite their success rate and long history in modern dentistry, a persistent myth continues to circulate that root canals cause cancer. This alarming claim can understandably create fear and confusion, but it is not supported by scientific evidence. Let’s explore the origins of this myth and what the science really says.
Where Did the Myth Come From?
The belief that root canals cause cancer stems primarily from outdated research conducted in the early 20th century. In the 1920s, Dr. Weston A. Price, a dentist and researcher, published a theory suggesting that root canal-treated teeth released toxins that could lead to serious illnesses, including cancer.
However, Dr. Price’s studies were later found to be methodologically flawed. His experiments lacked proper controls, were not peer-reviewed, and could not be replicated by modern standards. Since then, extensive research and improved dental techniques have debunked his conclusions. Nevertheless, his writings still influence some alternative medicine communities and continue to fuel misinformation online.
What Does Modern Science Say?
The American Association of Endodontists (AAE), the American Dental Association (ADA), and numerous peer-reviewed studies have all refuted the idea that root canals cause cancer or other systemic diseases. In fact, studies have shown no causal link between root canal therapy and the development of cancer.
One notable review published in the Journal of the American Medical Association (JAMA) looked at thousands of cases and found no connection between endodontic therapy (root canals) and cancer risk. In some instances, people who had root canals even had a slightly lower incidence of certain cancers, possibly due to better overall dental health and access to care.
Understanding Root Canal Safety
A root canal involves removing the infected pulp from inside a tooth, cleaning and disinfecting the inner chamber, and then sealing it to prevent further infection. It is a highly controlled procedure that aims to eliminate harmful bacteria from the tooth, which, if left untreated, could spread infection to the jawbone or bloodstream.
Modern endodontic procedures use advanced materials, strict sterilization protocols, and state-of-the-art technology to ensure patient safety. The goal is to preserve your natural tooth while protecting your overall health.
Why the Myth Persists
Despite the overwhelming scientific consensus, the myth persists in part due to fear, anecdotal stories, and misinformation spread online. It’s easy for one alarming headline or personal blog to go viral, even if it contradicts decades of solid research. For patients, the key is to rely on trusted medical and dental professionals for information and guidance.
Root canal therapy is a safe, effective, and scientifically supported treatment that can relieve pain, eliminate infection, and preserve your natural teeth. There is no credible evidence to support the claim that root canals cause cancer. If you’re facing a decision about root canal therapy, consult your dentist and rest assured that modern dentistry has your best health and well-being in mind.
About the Practice
Do you need root canal therapy to preserve a damaged or decayed tooth? At Forever Young Dentistry of Sterling Heights, we can save your smile with advanced dental technology for precision care. If you’re anxious to undergo the procedure, we understand and have sedation methods available to make your experience a much more comfortable one. We also will maximize your dental insurance benefits and have financing available to reduce the burden of costs on you. Schedule your appointment online or call us at (586) 315-4176.