Document Type : Original Article
Authors
1 BDS 2011, Faculty of Oral and Dental Medicine. Future University (FUE), Cairo, Egypt
2 Professor of Orthodontics, Orthodontic department –Faculty of Dental Medicine for Girls- Al-Azhar University, Cairo, Egypt
3 Associate Professor of Oral Medicine, Periodontology, Oral Diagnosis and Radiology. Oral Medicine, Periodontology, Oral Diagnosis and Radiology department –faculty of Dental Medicine for Girls Al-Azhar University, Cairo, Egypt
Abstract
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