Document Type : Original Article
Authors
1 Dentist: Ministry of Health
2 Lecturer, Oral Medicine, Periodontology, Oral Diagnosis and Radiology Department, Faculty of Dental Medicine (Boys, Cairo), Al-Azhar University
3 Professor, Oral Medicine, Periodontology, Oral Diagnosis and Radiology Department, Faculty of Dental Medicine (Boys, Cairo), Al-Azhar University
Abstract