1. Department of Restorative Dentistry, Dental School, Kurdistan University of Medical Sciences, Sanandaj, Iran
2. School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
3. Laser Research Center of Dentistry (LRCD), Research Dentistry Institute, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
4. Dental Research Center, Research Dentistry Institute, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
5. Laser Research Center of Dentistry (LRCD), Dental Research Center, Research Dentistry Institute, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran