Do root canals cause cancer?
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There is no evidence that root canals cause cancer. A root canal involves removing infected or dead parts of a tooth, sealing off the cavity to prevent re-infection and saving part of the natural tooth. Research is being done to learn more about the relationship between oral health and cancer, but at this time there is no link between root canals and cancer.
The Canadian Cancer Society is committed to sharing important information about cancer risk to Canadians and will continue to monitor research in this area.