Affiliation: | 1.Endodontics Unit, Department of Oral and Maxillofacial Sciences, “Sapienza” University of Rome, Italy;2.PUC University, Curitiba, Brasil;3.Department of Restorative Dental Science, College of Dentistry, King Saud University, Riyadh, Saudi Arabia;4.University of Rome II, Tor Vergata, Italy |