Pegah Mosannen Mozafari1, Zahra Sanaee Farrokhie2*, Mohammadali nahayati3 , Najmeh Anbiaee4 1Associate Professor, Oral & Maxillofacial Diseases Research Center, Mashhad University of Medical Sciences, Mashhad, Iran. 2*Doctor of Dental Surgery (D.D.S.), Mashhad, Iran. 3Assistant professor of neurology, MS Fellowship, Neurology department, Ghaem university hospital, Mashhad, Iran. 4Department of Oral and Maxillofacial radiology, School of Dentistry, Mashhad University of Medical Sciences, Mashhad, Iran