Is Your Smile Worth Your Life? What You Need to Know Before Undergoing a Root Canal Undergoing a root canal procedure isn't anyone's idea of a good time, but if one is necessary, we don't question its safety. According to Robert Kulacz, DDS and Thomas E. Levy, MD, JD, we should. Here, they reveal the hidden dangers of root canals. Nobody looks forward to having a root canal. But if you're in constant discomfort because of an infected tooth, you'll willingly hop into the dentist's chair and...