Department of Operative Dentistry, Johannes Gutenberg University Medical Center, Mainz, Germany;
Division of Endodontology, Department of Preventive Dentistry, Periodontology and Cariology, University of Zürich, Zürich, Switzerland;
Department of Operative Dentistry, Johannes Gutenberg University Medical Center, Mainz, Germany;
Department of Operative Dentistry, Johannes Gutenberg University Medical Center, Mainz, Germany;
Department of Operative Dentistry, Johannes Gutenberg University Medical Center, Mainz, Germany;