This Quintessence International (QI) annual yearbook is a compilation of selected articles representing the most significant work from the past year. Through a double-blind process that ensures anonymity and quality, our team of editors and reviewers performed the remarkable and difficult task of reviewing and evaluating many deserving submissions to present you with this outstanding selection of 20 articles. Organized by disciplines and topics, the articles provide a valuable and user-friendly resource that we hope you find enjoyable and informative

Prof. Dr. Eli Eliav DMD, MSc, PhD
United States of America, Rochester

Dr. Eliav is a professor and the Director of the Eastman Institute for Oral Health, Vice President for Oral Health at the University of Rochester Medical Center and the Vice Dean for Oral Health within its School of Medicine and Dentistry. Dr. Eliav earned his Dental Degree (1991), MSc (1995) and PhD (2004) from the Hebrew University and Hadassah in Jerusalem. He specialized in Oral Medicine at the Hebrew University, Hadassah Jerusalem, Israel (1991-1995) and trained in Clinical and Basic Science Research Program in the National Institute of Health Bethesda, Maryland, USA (1995-1997). Since 2008 he is the Editor in Chief of Quintessence International and since 2018 an associate Editor of the Journal of Oral & Facial Pain and Headache.