Document Type : original article
Authors
1 Assistant Professor, Dept of Oral & Maxillofacial Pathology, School of Dentistry and Dental Research Center of Mashhad University of Medical Sciences, Mashhad, Iran
2 Assistant Professor, Dept of Oral & Maxillofacial Surgery, Dental School, Tehran Islamic Azad University, Tehran, Iran
3 Assistant Professor, Dept of Orthodontics, School of Dentistry and Dental Research Center of Mashhad University of Medical Sciences, Mashhad, Iran
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