Professor STEVEN R. SINGER D.D.S., is a faculty member at the College of Dental Medicine, Columbia University, NY and also at the University of Medicine and Dentistry of New Jersey, N.J., U.S.A. His interests include Implant imaging, role of systemic diseases in maxillofacial infections, tobacco cessation and dental informatics. Dr. Singer published extensively in the field of Diagnostic Sciences and Oral Radiology.