Authors
1 Dentist at Egyptian Ministry of Health.
2 Professor and Head of Oral Medicine, Periodontology, Oral Diagnosis and Oral Radiology Department Faculty of Dental Medicine for Girls Al-Azhar University, Cairo, Egypt.
3 Professor of Applied organic Chemistry, chemistry Department, Faculty of Science for Girls Al-Azhar University, Cairo, Egypt
4 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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