TY - BOOK AU - Saad,Rasha Abo Elmaged AU - Hussein,Ashraf AU - Sallam,Hanaa Ibrahim TI - Effect of different impression techniques on the vertical marginal gap distance of implant superstrctures using two different elastomeriv impession materials U1 - 617.692 21 PY - 2008/// KW - Prosthodontics N1 - Supervisors : Ashraf hussein, Hanaa Ibrahim Sallam; Thesis (M. Sc.)-Cairo University, Faculty of Oral and Dental Medicine, 2008; Includes bibliographical references ER -