Dental podcast: Welcome to DentalTalk. I'm Dr. Phil Klein. Today we'll be discussing the most up-to-date information on the use of nitrous oxide in both pediatric and family dentistry. We'll be talking about indications for nitrous oxide, its mechanism of action, and its contraindications. Our guest is Dr. Juan F. Yepes, a full professor in the Department of Pediatric Dentistry at Indiana University and an attending at Riley Children Hospital in Indianapolis, Indiana.