Document Type : Original Article
Authors
1 Assistant lecturer, Department of Removable Prosthodontics Faculty of Dental Medicine, Boys, Cairo Al-Azhar University
2 Assisstant professor, Department of Oral and maxillofacial Surgery , Faculty of Dentistry, Al-Azhar University (Assuit Branch), Egypt
3 lecturer, Department of Removable Prosthodontics, Faculty of Dentistry, Al-Azhar University (Boys Branch), Cairo, Egypt
4 Professor and Chairman of Removable Prosthodontics Department, Faculty of Dental Medicine, Al-Azhar University, Cairo, Egypt
Abstract
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