Document Type : Original Article
Authors
1 Dentist at General Authority for Health Insurance B.D.S (2013) MUST University, Egypt.
2 Professor of Oral Medicine, Periodontology, Oral Diagnosis and Radiology Faculty of Dental Medicine for Girls, Al-Azhar University, Faculty of Oral and Dental Medicine – Misr International University, Cairo, Egypt
3 Lecturer of Oral Medicine , Periodontology, Oral Diagnosis and Radiology Faculty of Dental Medicine for Girls –Al-Azhar University, Cairo, Egypt
Abstract
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