Dr. Quinn is the Schoenleber Professor of Oral & Maxillofacial Surgery/Pharmacology at Penn Dental Medicine. Dr. Quinn served as Chair of the Department of Oral & Maxillofacial Surgery/Pharmacology at Penn Dental Medicine from 1986 to 2008. His primary research interests are in the alloplastic reconstruction of the temporomandibular joint and vascular malformations of the maxillofacial skeleton maxillofacial skeleton. He was a principal investigator in a ten-year clinical trial for the development of the only FDA-approved stock prosthesis for reconstruction of the temporomandibular joint. Dr. Quinn has completed a surgical atlas for temporomandibular joint surgery, which has been published by Elsevier.