TY - BOOK AU - El Basty,Reham Said AU - Sherief,Ashraf Hussein AU - Amin,Shereen Adel TI - Effect of implant abutment type on the vertical marginal gap distance and fracture resistance of implant-stupported all-ceramic crowns : : (an in-vitro study) U1 - 617.692 21 PY - 2009/// KW - prosthodontics N1 - Supervisors : Ashraf Hussein Sherief, Shereen Adel Aminutes; Thesis (M. Sc.)-Cairo University, Faculty of Oral and Dental Medicine, 2009; Includes bibliographical references ER -