Affiliation: | 1. Department of Prosthodontics, Propaedeutics and Dental Materials, Christian-Albrechts University at Kiel, Kiel, Germany;2. Department of Prosthodontics, Gerodontology and Biomaterials, Greifswald University Hospital, Greifswald, Germany Contribution: Data curation (equal), Writing - review & editing (equal);3. Center for Clinical Studies, University Hospital Schleswig-Holstein, Kiel University, Kiel, Germany Contribution: Conceptualization (supporting), Formal analysis (equal), Writing - review & editing (equal);4. Department of Prosthetic Dentistry, Center for Dental Medicine, Medical Center - University Hospital Freiburg, Freiburg, Germany;5. Center of Dentistry, Department of Prosthetic Dentistry, Ulm University Hospital, Ulm, Germany;6. Department of Prosthetic Dentistry and Biomedical Materials Science, Hannover Medical School, Hannover, Germany;7. Faculty of Medicine Carl Gustav Carus, TU Desden, Dresden, Germany;8. Department of Prosthetic Dentistry, University Medical Center Hamburg-Eppendorf, Hamburg, Germany;9. Department of Prosthodontics, Heidelberg University Hospital, Heidelberg, Germany;10. Department of Prosthodontics and Biomaterials, Medical Faculty, RWTH Aachen University, Aachen, Germany |