Document Type : Original Article
Authors
1 Assistant Professor of Oral and Maxillofacial Surgery, Faculty of Dental Medicine, Al-Azhar University,(Assiut, Boys), Assiut, Egypt.
2 Lecturer of Oral Medicine, Periodontology, Oral Diagnosis and Dental Radiology Faculty of Dental Medicine Al-Azhar University, (Assiut, Boys) Assiut, Egypt.
Abstract
Keywords