1. Department of Endodontics, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran;
2. Department of Oral Medicine, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran;
3. Research Center for Pharmaceutical Nanotechnology, Biomedicine Institute, Tabriz University of Medical Sciences, Tabriz, Iran;
4. Dental Public Health Program, Community Oral Health Department, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran;
5. Department of Electrical and Computer Engineering, Faculty of Electrical Engineering, University of Tabriz, Tabriz, Iran