title: In reply.
authors.affiliation: Department of Dentomaxillofacial Radiology, School of Dentistry, Hamadan University of Medical Sciences, Hamadan, Iran.
authors.forename: Amir
authors.initials: A
authors.lastname: Eskandarloo
authors.affiliation: Research Center for Health Sciences, Department of Epidemiology & Biostatistics, School of Public Health, Hamadan University of Medical Sciences, Hamadan, Iran.
authors.forename: Jalal
authors.initials: J
authors.lastname: Poorolajal
mesh_terms: D004708:Endodontics; D006801:Humans; D014057:Tomography, X-Ray Computed / Q000379:methods*