Affiliation: | 1. Clinic of Fixed and Removable Prosthodontics and Dental Material Science, Center of Dental Medicine, University of Zurich, Zurich, Switzerland;2. Division of Fixed Prosthodontics and Biomaterials, Clinic of Dental Medicine, University of Geneva, Geneva, Switzerland;3. Department of Prosthetic Dentistry, Center for Dental Medicine, University Medical Center Freiburg, Freiburg, Germany;4. Private Practice, Zürich, Switzerland |