Document Type : Original Article
Authors
1 Assistant Lecturer of Orthodontic Department, Faculty of Dental Medicine for Girls, Al-Azhar University.
2 Professor of Orthodontic Department, Faculty of Dental Medicine for Girls, Al-Azhar University, Cairo, Egypt
3 Professor of Oral and Maxillofacial Surgery Department, Faculty of Dental Medicine for Girls , Al-Azhar University, Cairo, Egypt
4 Professor of Orthodontic Department, Faculty of Dental Medicine for Girls, Al-Azhar University.
5 Assistant Professor of Oral medicine, Periodontology, Diagnosis and Radiology Department, Faculty of Dental Medicine for Girls, Al-Azhar University, Cairo, Egypt
Abstract
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