Document Type : Original Article
Authors
1 Department of Oral medicine, Periodontology, Diagnosis and Oral radiology, Faculty of Dental Medicine, (Assiut, boys), Al-Azhar University, Egypt.
2 Department of Oral medicine, Periodontology, Diagnosis and Oral radiology, Faculty of Dental Medicine, (Assiut, boys), Al-Azhar University, Egypt
3 Department of Oral and Maxillofacial Radiology, Faculty of dentistry, Minia University, Egypt
Abstract
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