selected publications academic article Color stability of Vita classical shade guide after artificial accelerated aging. Egyptian Dental Journal. 65:739-746. 2019 INFLUENCE OF BLEACHING ON COLOUR AND SURFACE ROUGHNESS, AND MIRCOSHEAR BOND STRENGTH OF REPAIR, FOR NOVEL HYBRID CERAMIC. Egyptian Dental Journal. 63:1877-1890. 2017 INFLUENCE OF DIE SPACER APPLICATION ON MARGINAL ADAPTATION OF INDIRECT TEMPORARY CROWNS FABRICATED USING STONE AND SILICONE MODEL MATERIALS. Egyptian Dental Journal. 63:1891-1901. 2017 STRAIN GAUGE ANALYSIS OF TOOTH-IMPLANT-SUPPORTED FDP WITH NON-RIGID CONNECTORS USING DIFFERENT IMPLANT-ABUTMENT CONNECTIONS: INVITRO. Egyptian Dental Journal. 63:805-814. 2017 THE EFFECT OF REPEATED HEAT-PRESSING ON THE BIAXIAL FLEXURAL STRENGTH AND SURFACE ROUGHNESS OF LITHIUM DISLILICATE GLASS-CERAMICS. Egyptian Dental Journal. 63:833-840. 2017