Document Type : Original Article
Authors
1 Assistant Professor and Acting Head of Prosthodontics Department, Faculty of Dental Medicine, Al-Azhar University, Assuit Branch.
2 2. Lecturer of Prosthodontics, Faculty of Dental Medicine, Al-Azharuniversity, Assuit Branch
3 Demonestrator of Prosthodontics Department, Faculty of Dental Medicine, Al-Azharuniversity, Assuit Branch.
Abstract
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