mahdokht rashed 1.oral & maxillofacial diseases research center, mashhad university of medical sciences, mashhad, iran 2.assistant professor of oral and maxillofacial medicine, oral and maxillofacial diseases research center, mashhad university of medical sciences, mashhad, iran pegah mosannen mozaffari 1. oral & maxillofacial diseases research center, mashhad university of medical sciences, mashhad, iran 2.associate professor of oral medicine, oral and maxillofacial diseases research center, mashhad university of medical sciences, mashhad, iran abbas javadzadeh 1.oral & maxillofacial diseases research center, mashhad university of medical sciences, mashhad, iran 2.associate professor of oral medicine, oral and maxillofacial diseases research center, mashhad university of medical sciences, mashhad, iran mehrdad radvar professor of periodontitis, oral and maxillofacial diseases research center, mashhad university of medical sciences, mashhad, iran nooshin mohtasham 1.oral & maxillofacial diseases research center, mashhad university of medical sciences, mashhad, iran 2.professor of oral and maxillofacial pathology, oral and maxillofacial diseases research center, department of oral and maxillofacial pathology, mashhad university of medical sciences, mashhad, iran sedigheh modarres mousavy post graduate student of oral and maxillofacial medicine, oral and maxillofacial diseases research center, mashhad university of medical sciences, mashhad, iran

James E Leone Amie Kern Joshua D Williamson Robert M Colandreo

R O von Vigier S A Trummler R Laux-End M J Sauvain A C Truttmann M G Bianchetti