Dr. Denmark graduated with honors from the University of Pennsylvania School of Dental Medicine. He is a magna cum laude graduate of the Harvard University School of Public Health where he earned a Master's in public health from the Department of Health Policy and Management. Additionally, he was valedictorian of his Harvard University School of Dental Medicine Periodontology Certificate program, where his research was part of the 1995 International Orban Prize. Upon graduation, Dr. Denmark earned an appointment as a Clinical Assistant Professor and Group leader at the University of Pennsylvania School of Dental Medicine.
His research has been published in international journals, and he continues to lecture to groups of general dentists. He has been the in-house periodontist and surgical implant specialist for Brookwood Dental Associates since 1995. Dr. Denmark has memberships in the American Dental Association, the American Academy of Periodontology, the Northeast Society of Periodontists, the Pennsylvania Dental Association, and the Massachusetts Dental Association.