Document Type : Original Article
Authors
1 Ph.D. Candidate & Assistant Lecturer Of Oral and Maxillofacial surgery , Faculty of dentistry ,Minia University ,
2 Professor & Head of Maxillofacial Surgery Department. Faculty of Dentistry. Minia University
3 Professor Oral & maxillofacial surgery department ,faculty of dentistry, minia university
4 Associate Professor & Head of Pediatric Surgery Unit , Faculty of Medicine ,Minia university
Abstract
Keywords