Vikram Niranjan does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Root canals treat infected or damaged pulp tissue to save the tooth. Success relies on patient-specific factors—not just technical skill. Technology like microscopes and 3D imaging improves outcomes.

As a public health dentist and researcher, for years I saw the same pattern. Patients with deep root infections often had wider health problems, particularly those with diabetes. I did not yet ...