Document Type : Original Article
Authors
1 Oral Diagnostic Sciences Departement, Faculty of Dentistry, King Abdulaziz University, Jeddah, Saudi Arabia
2 Pediatric Dentistry Departement, Faculty of Dentistry, King Abdulaziz University, Jeddah, Saudi Arabia. and Pedodontic Department , Faculty of Dental Medicine for Girls , El Azhar University, Cairo, Egypt
Abstract