1. Department of Orthodontics, School of Dentistry, Guilan University of Medical Sciences, Rasht, Iran
2. Dental Sciences Research Center, Department of Maxillofacial Radiology, School of Dentistry, Guilan University of Medical Sciences, Rasht, Iran
3. Deputy of Research and Technology, Guilan University of Medical Sciences, Rasht, Iran
4. Department of Maxillofacial Radiology, School of Dentistry, Guilan University of Medical Sciences, Rasht, Iran