Document Type : Original Article
Authors
1 Post graduate student, Department of Removable Prosthodontics, Faculty of Dental Medicine, El -Azhar University, for girls.
2 Professor of Prosthodontics, the Vice Dean of Faculty of Dental Medicine, El-Azhar University, for girls.
3 Professor of Prosthodontics, the head of prosthodontic Dept., Faculty of Dental Medicine, El-Azhar University, for girls.
Abstract
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