Document Type : Original Article
Authors
1 Doctor at Ministry of Health, Al Ramad Hospital
2 Professor of Restorative Dentistry at Operative Dentistry Department and Dean of Faculty of Dental Medicine, Sinai University, Egypt
3 Lecturer of Restorative Dentistry at Operative Dentistry Department, at Faculty of Dental Medicine For Girls, Al-Azhar University, Cairo, Egypt
Abstract
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