TY - BOOK AU - El-Banna,Riham Mohamed AU - Gaafar,Shoeir AU - Ghallab,Noha Ayman TI - Evaluation of the efficacy of subgingival debridement using ultrasonic scaler versus modified widman flap managing advanced chronic periodontitis / U1 - 617.632 21 PY - 2010/// KW - Periodontology N1 - Supervisors: Shoeir Gaafar, Noha Ayman Ghallab; Thesis (M. Sc.)-Cairo University, Faculty of Oral and Dental Medicine, 2010; Includes bibliographical references (pages 94--120) ER -