Document Type : Original Article
Authors
1 Dentist in Egyptian Ministry of Health, Egypt
2 Professor of Pediatric Dentistry and Dental Public Health Department, Faculty of Dentistry, Cairo University
3 Associate Professor in Pediatric Dentistry and Dental Public Health Department, Faculty of Dentistry, Cairo University
4 Associate Professor in Oral and Maxillofacial Radiology Department, Faculty of Dentistry, Cairo University
Abstract
Keywords