Document Type : Educational Article
Authors
1 General Practitioner, Mashhad University of Medical Sciences, Mashhad, Iran
2 Dentistry Student, Faculty of Dentistry, Mashhad University of Medical Sciences, Mashhad, Iran
3 Periodontist-Implantologist, Associate Professor of Periodontology, Faculty of Dentistry, Mashhad University of Medical Sciences, Mashhad, Iran
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