Document Type : Original Article
Authors
1 B.D.S, Demonstrator at Oral and Maxillofacial Surgery Department, Faculty of Dentistry, Tanta University.
2 PhD, Professor at Oral and Maxillofacial Surgery Department, Faculty of Dentistry, Tanta University.
3 PhD Assistant Professor at Oral and Maxillofacial Surgery Department, Faculty of Dentistry, Tanta University.