Gregory Greenwood, DMD, PharmD, MaCSD Anesthesiology and Surgical Services Las Vegas Dr. Greenwood received his PharmD (Doctor of Pharmacy) from Xavier University in 1999, and his DMD (Dental Medicine Doctorate) in 2007 from University of Nevada Las Vegas. Dr. Greenwood has trained in advanced periodontal techniques at Harvard University School of Dental Medicine. In addition, Dr. Greenwood has lectured both nationally and internationally and has spoken to symposiums regarding latest trends in oral, IM, IN, and IV conscious sedation. Dr. Greenwood is Co-Founder of the International Academy of Dental Implantology (IADI). He holds Master Status in the American Dental Society of Anesthesiology (MaCSD). In addition to performing the G4 Implant Procedure, Dr. Greenwood lectures at Harvard University School of Dental Medicine.