Björn Ludwig maintains a private orthodontic practice in Traben-Trarbach, Germany. He is Assistant Professor at the University of Homburg/Saar, Department of Orthodontics. His focus of research work is skelettal anchorage and 3D imaging. He has published more than 200 peer reviewed clinical and scientific articles and is editor of several books. He is editor in chief of the Quintessenz publication “Kieferorthopädie” (Orthodontics). He is also associate editor of the Journal of Clinical Orthodontics.