Document Type : Original Article
Authors
1 Assisstant Lecturer of Operative Dentistry, Faculty of Dental Medicine, Al- Azhar University (Girls’ Branch).
2 Professor of Operative Dentistry, Faculty of Dental Medicine, Al- Azhar University (Girls’ Branch).
3 Professor of Operative Dentistry and Dean of Faculty of Dental Medicine, Sinai University
4 Associate Professor of Oral and Dental Medicine, Periodontology, Radiology and Oral Diagnosis, Faculty of Dental Medicine, Al- Azhar University (Girls’ Branch).
Abstract
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