1. Department of Implantology, Removable Prostheses, Dental Prostheses Technology, Faculty of Dental Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iași, Romania
2. Department of Periodontology, Faculty of Dental Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 16 Universității Street, 700115 Iași, Romania
3. Department of Dento-Alveolar Surgery and Oral Pathology, “Grigore T. Popa” University of Medicine and Pharmacy Iași, Universitatii Street 16, 700115 Iași, Romania