Document Type : Original Article
Authors
1 Master degree Candidate at Operative Dentistry Department, Faculty of Dental Medicine for Girls, Al-Azhar University, Cairo, Egypt.
2 Professor of Operative Dentistry, Dean of Faculty of Dental Medicine Sinai University, Egypt.
3 Assistant Professor of Operative Dentistry, Faculty of Dental Medicine For Girls. Al-Azhar University, Cairo, Egypt.
Abstract
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