Document Type : Original Article
Authors
1 -Faculty of Dentistry, Alexandria University
2 -Professor of Oral Pathology, Faculty of Dentistry Alexandria University
3 -Lecturer of Oral Medicine, Periodontology, Oral Diagnosis and Radiology, Faculty of Dentistry, Alexandria University
4 -Professor of Oral Medicine, Periodontology, Oral Diagnosis and Radiology, Faculty of Dentistry Alexandria University
Abstract
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