Document Type : Original Article
Authors
1 Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, aAl-Azhar University, Assiut (Boys)
2 Al-Zagazig University, Department of Oral Medicine,Periodontology, Oral Diagnosis and Dental Radiology, Faculty of Dentistry
3 Department of Oral Medicine, Periodontology, Oral Diagnosis and Dental Radiology, Faculty of Dentistry, Al- Azhar University, Assiut (Boys), Egypt
Abstract
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