| نویسندگان مقاله |
| Hossein Assarzadeh Assistant Professor, Department of Oral and Prosthodontics, School of Medicine, Sabzevar University of Medical Sciences, Sabzevar, Iran.
| Malihe Karrabi Assistant Professor, Department of Oral and Prosthodontics, School of Medicine, Sabzevar University of Medical Sciences, Sabzevar, Iran.
| Zahra Baghani Assistant Professor, Department of Oral and Prosthodontics, School of Medicine, Sabzevar University of Medical Sciences, Sabzevar, Iran.
| Saeed Sabzevari Assistant Professor, Department of Periodontology, Prosthetics, Oral & Maxillofacial Surgery, School of Dentistry, North Khorasan University of Medical Sciences, Bojnord, Iran.
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