Document Type : Original Article
Authors
1 Assistant lecturer of Pedodontics and Oral Health, Faculty of Dental Medicine for Girls Al-Azhar University, Cairo, Egypt.
2 Professor of Oral Medicine, Periodontology, Oral Diagnosis and Radiology Faculty of Dental Medicine for Girls Al-Azhar University, Cairo, Egypt
3 Assistant Professor of Pedodontics and Oral Health, Faculty of Dental Medicine for Girls, Al-Azhar University, Cairo, Egypt.
Abstract
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