| Affiliation: | 1. Community Oral Health Department, School of Dentistry, Shahid Beheshti University of Medical Sciences, , Tehran, Iran;2. Dentofacial Deformity Research Center, Shahid Beheshti University of Medical Sciences, , Tehran, Iran;3. Psychology Department, Payame Noor University, , Tehran, Iran;4. Periodontics Department, School of Dentistry, Shahid Beheshti University of Medical Sciences, , Tehran, Iran;5. Preventive Dentistry Research Center, Shahid Beheshti University of Medical Sciences, , Tehran, Iran |
