Document Type : Original Article
Authors
1 Police Officer-Dentist at the New Cairo Medical Complex for Police Officers, Cairo, Egypt.
2 Professor of Operative Dentistry Department, Faculty of Dental Medicine for Girls, Al-Azhar University
3 Lecturer of Operative Dentistry Department, Faculty of Dental Medicine for Girls, Al-Azhar University
4 Professor of Microbiology Department, Faculty of Science, Ain Shams University
Abstract
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