Document Type : Original Article
Authors
1 Researcher in National Institute of Lasers, National Institute of Laser Sciences, Laser Dentistry, Cairo, Egypt
2 Professor of Laser Dentistry in Institute, Cairo University, National Institute of Laser Sciences, Laser Dentistry, Cairo, Egypt
3 Lecturer, National Institute of Laser Sciences, Laser Dentistry Cairo, Egypt
4 Lecturer, Misr University For Science and Technology, Operative Dentistry, Cairo, Egypt
Abstract
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