Department of Oral Diagnostics, Faculty of Dentistry, Semmelweis University, Szentkirályi utca 40, 1088 Budapest, Hungary. Department of Community Dentistry, Faculty of Dentistry, Semmelweis University, Szentkirályi utca 40, 1088 Budapest, Hungary. Department of Pathology and Experimental Cancer Research, Semmelweis University, Üllői út 26, 1085 Budapest, Hungary. Department of Biomaterials and Prosthetic Dentistry, Faculty of Dentistry, University of Debrecen, Egyetem tér 1, H-4032 Debrecen, Hungary. Department of Oro-Maxillofacial Surgery and Stomatology, Faculty of Dentistry, Semmelweis University, Mária utca 52, 1085 Budapest, Hungary.