While a GPR is a hospital-based program, an AEGD is usually not and the differences between the two types of programs are generally a result of this distinction.  AEGDs are usually based in postgraduate dental school clinics.  Both types of programs afford the trainee with a larger patient pool than he or she was exposed to in dental school as an undergraduate; while dental students will typically treat 2 or 3 patients a day in multiple-hour-long sessions, these postgraduate programs are constructed so that trainees may see anywhere from 8-15 patients a day, or even more.  They emphasize restorative dentistry, fixed and removable prosthodontics, orofacial pain, and dental implants.