Affiliation: | ? Assistant Professor, Dental Research Center, Tehran University of Medical Sciences, Tehran, Iran;† Research Assistant, Dental Research Center, Tehran University of Medical Sciences, Tehran, Iran;‡ Associate Professor, Department of Oral and Maxillofacial Pathology, Faculty of Dentistry, Tehran University of Medical Sciences, Tehran, Iran;§ Assistant Professor, Dental Research Center, Tehran University of Medical Sciences, Tehran, Iran |