Document Type : Original Article
Authors
1 Prof. of Oral Medicine, Peridontology, Vice Dean in Faculty of Dentistry, Sinai University, Staff member in Faculty of Dental Medicine Girls’ Azhar university, Cairo, Egypt
2 Lecturer of Oral Medicine and Periodontology, Faculty of Dentistry in Sinai University, Staff Member in Faculty of Dentistry, Mansoura University
Abstract
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