Welcome to DentalTalk. I'm Dr. Phil Klein. Knowing when to, and when not to, treat a patient is of extreme importance. Today we'll be reviewing several common medical problems and their potential significance to the treating dentist. Our guest is Dr. Stanley Malamed, a dentist anesthesiologist and emeritus professor of dentistry at the Herman Ostrow School of Dentistry of U.S.C., formerly the University of Southern California School of Dentistry.