Document Type : Original Article
Authors
1 Bachelor of Dentistry, Faculty of Dentistry, Alexandria University, Alexandria, Egypt
2 Professor of Pediatric Dentistry, Pediatric Dentistry and Dental Public Health Department, Faculty of Dentistry, Alexandria University, Egypt.
3 Associate Professor of Microbiology and Immunology, Microbiology and Immunology Department, Faculty of Pharmacy, Alexandria University, Egypt.
Main Subjects