| Authors: |
Fawzy El-Sayed KM; Oral Medicine and Periodontology Department, Faculty of Oral and Dental Medicine, Cairo University, Giza, Egypt.; Clinic for Conservative Dentistry and Periodontology, School of Dental Medicine, Christian Albrechts University, Kiel, Germany., Cosgarea R; Department of Periodontology, Operative and Preventive Dentistry, University of Bonn, Bonn, Germany.; Department of Periodontology and Peri-implant Diseases, Philips University Marburg, Marburg, Germany.; Clinic for Prosthetic Dentistry, University Iuliu-Hatieganu, Cluj-Napoca, Romania., Sculean A; Department of Periodontology, University of Bern, Bern, Switzerland., Doerfer C; Clinic for Conservative Dentistry and Periodontology, School of Dental Medicine, Christian Albrechts University, Kiel, Germany. |