Document Type : Original Article
Authors
1 Oral and maxillofacial surgery Department,Faculty of oral and dental medicine,Al_AZHAR University in cairo
2 Oral and maxillofacial surgery department,Faculty of Dental and oral medicine,Al-azhar university,cairo ,Egypt
3 oral and maxillofacial surgery department , faculty of dental medicine, boys Cairo, alazhar university.
Abstract
Keywords
Main Subjects