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Abstract
Aim of the study: The aim of present study was to evaluated the effect of storage in artificial saliva and cyclic loading on fracture resistance of new CAD/CAM provisional prosthetic material in comparison with two currently used provisional prosthetic materials namely Protemp4 and VITA CAD- temp . Results: There was no statistically significant difference between control and cyclic loading; Stored material showed the statistically significantly lowest mean fracture resistance. As regards Control as well as Cyclic loading: Protemp4 showed statistically significantly higher mean fracture resistance than VITA CAD-temp. As regards stored material: Protemp 4 showed statistically significantly higher mean fracture resistance than VITA CAD-temp