Document Type : Review Article
Authors
1 Undergraduate Dental Student, Dentistry School, Mashhad University of Medical Sciences, Mashhad, Iran
2 Master of Nursing, Nurse Midwifery Faculty, North Khorasan University of Medical Sciences, Bojnord, Iran
3 Periodontist and Implantologist, Assistant Professor of Department of Periodontics, School of Dentistry, Mashhad University of Medical Sciences, Mashhad, Iran
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