Jorge Perdigão, D.M.D., M.S., Ph.D., Professor, Division of Operative Dentistry, Department of Restorative Sciences, University of Minnesota School of Dentistry. Dr. Perdigão received his dental degree from the University of Lisbon, Portugal, a Master’s degree and certificate in Operative Dentistry from the University of Iowa, and defended his PhD dissertation in Dental Materials at the Catholic University of Leuven, Belgium. He is actively involved in research of new dental materials, mainly in the area of dentin bonding and new composite resins, and has been a consultant for several manufacturers worldwide in the development of new adhesive dental materials. Dr. Perdigão has delivered over 140 lectures in Asia, Europe, North America, Oceania, and South America and has published over 100 scientific articles in international journals. He is also author of four book chapters on Dental Adhesion, including the latest edition of Sturdevant’s Art and Science of Operative Dentistry. Dr. Perdigão is Associate Editor of the Journal of Adhesive Dentistry and Section Editor of Operative Dentistry in the Journal of Esthetic and Restorative Dentistry.