1. Assistant Professor, Department of Oral and Maxillofacial Surgery, Dentistry School, Hamadan University of Medical Sciences, Hamadan, Iran
2. Resident of Oral and Maxillofacial Surgery, Dentistry School, Hamadan University of Medical Sciences, Hamadan, Iran
3. Department of Oral and Maxillofacial Surgery, Dentistry School, Hamadan University of Medical Sciences, Hamadan, Iran