Faculty Dean Prof. Dr. Yasser Fathy Hussein,

Vice-Deans,

General Director of the hospital,

Academic Staff

and employees, are pleased to

Congratulate

Dr. Ahmed Amr Alwakad as he discusses his PhD dissertation which

Entitled

Evaluation of Antimicrobial Efficacy and Postoperative Pain after Using Silver Nanoparticles and Chitosan Nanoparticles against Enterococcus Faecalis and Candida Albicans Biofilm (An in vitro - in vivo study)