Document Type : Original Article
Authors
1 Resident at MUST university
2 Professor and Head of Oral Medicine, Periodontology, Oral Diagnosis and Radiology Department, Faculty of Dental Medicine (Boys, Cairo), Al-Azhar University
3 Professor of Oral Medicine, Periodontology, Oral Diagnosis and Radiology Department, Faculty of Dental Medicine (Boys, Cairo), Al-Azhar University
Abstract