Document Type : Original Article
Authors
1 Demonstrator of Oral Medicine, Periodontology and Diagnosis, Faculty of Dentistry, Egyptian Russian University – Egypt.
2 Lecturer, Department of Oral Medicine, Periodontology, Diagnosis and Oral Radiology Faculty of Dental Medicine, (Boys, Cairo), Al-Azhar University.
3 Professor of Oral Medicine, Periodontology, Diagnosis and Oral Radiology, Faculty of Dental Medicine, (Boys, Cairo), Al-Azhar University and President of Horus University, Egypt.
Abstract