Affiliation: | 1. Department of Prosthodontics, Faculty of Dentistry, University of Marmara, , Istanbul, Turkey;2. Center for Dental and Oral Medicine, Clinic for Fixed and Removable Prosthodontics and Dental Materials Science, Dental Materials Unit, University of Zurich, , Zurich, Switzerland;3. Department of Microbiology, Faculty of Dentistry, University of Marmara, , Istanbul, Turkey |