1. School of Dentistry; University of Catanzaro Magna Graecia; Catanzaro Italy
2. Department of Biomedical; Surgical and Dental Sciences; Università degli Studi di Milano; Milan Italy
3. IRCCS Galeazzi Orthopedic Institute; Milan Italy
4. Department of Operative Dentistry, Endodontics and Dental Materials; Bauru School of Dentistry; University of São Paulo; Bauru SP Brazil