Document Type : Original Article
Authors
1 Endodontist, Medical Directorate, Al-Azhar University.
2 Professor of Endodontics, Faculty of Dental Medicine for Girls, Al-Azhar University.
3 Associate Professor of Endodontics, Faculty of Dental Medicine for Girls, Al-Azhar University.
4 Professor of Microbiology, Faculty of Medicine for Boys, Al-Azhar University
Abstract
Keywords