Affiliation: | 1. Department of Oral and Maxillofacial Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands;2. Department of Dental Materials Science, Academic Centre for Dentistry Amsterdam (ACTA), Universiteit van Amsterdam and Vrije Universiteit, Amsterdam, The Netherlands;3. Department of Fixed and Removable Prosthodontics, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands |