The film's trailer implies that root canals or infected teeth can lead to migraines, diabetes, lupus, fibromyalgia and heart disease.
"[1] Dr. Fred Barnett, chair of dentistry and program director of endodontics at Einstein Healthcare Network in Philadelphia said, "there hasn't been one valid medical or scientific study published anywhere that can show causation between having a root canal and developing cancer.
"[4] The American Association of Endodontists wrote, "The film's premise is based on junk science and faulty testing conducted more than 100 years ago, that was first debunked in the 1950s".
Their premise is based on junk science and faulty testing conducted more than 100 years ago that was debunked in the 1950s, continuously since then and is even more discredited today by physicians, dentists and academics.
Mainstream medical and dental communities overwhelmingly agree that root canal treatment is safe, effective and eliminates pain.