Document Type : Original Article
Authors
1 Assistant Lecturer, Department of Removable Prosthodontic Faculty of Dental Medicine, Boys, Cairo Al-Azhar University
2 Professor of Removable Prosthodontic Department .Faculty of Dental Medicine, Boys, Cairo Al-Azhar University
3 Professor and head of Removable Prosthodontic Department .Faculty of Dental Medicine, Boys, Cairo Al-Azhar University
4 Lecturer, Department of Removable Prosthodontics, Faculty of Dental Medicine, Al-Azhar University, Boys, Cairo
Abstract