Document Type : Original Article
Authors
1 Dentist at Ministry of Health and Population, Mansoura, Egypt.
2 Professor of Pediatric Dentistry, Department of Pediatric Dentistry and Dental Public Health, Faculty of Dentistry, Mansoura University , Egypt.
3 Professor of Internal Medicine and Nephrology, Urology and Nephrology Center, Faculty of Medicine, Mansoura University, Egypt.
4 Lecturer of Dental Public Health and Preventive Dentistry, Department of Pediatric Dentistry and Dental Public Health. Faculty of dentistry, Mansoura University, Egypt.
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