Document Type : original article
Authors
1 Associate Professor, Dept of Oral & Maxillofacial Pathology, School of Dentistry and Dental Research Center of Mashhad University of Medical Sciences, Mashhad, Iran
2 Associate Professor, Dept of Pathology, Ghaem Hospital, Mashhad University of Medical Sciences, Mashhad, Iran
3 Instructor, Dept of Oral & Maxillofacial Pathology, Dental School, Ahvaz University of Medical Sciences, Ahvaz, Iran
4 Postgraduate Student, Dept of Pathology, Dental School, Mashhad University of Medical Sciences, Mashhad, Iran
)