1. Laser Application in Medical Sciences research center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
2. Graduated student, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
3. Oral Medicine Department, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
4. School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
5. Dental Research Center, Restorative Department, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran