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Faculty of Dental Medicine (Girls' branch)
Cubic Zirconia; Thermal Degradation; Laser Surface Topography; Biaxial Flexural Strength
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Full-Text Articles in Medicine and Health Sciences
Phase Transformation, Surface Topography And Mechanical Properties Of Hydrothermal Aged Laser Treated Cubic Versus Tetragonal Zirconia Ceramics, Shahenda Abdallah, Inas Motawea, Mostafa Abdel Ghany, Rania Amin
Phase Transformation, Surface Topography And Mechanical Properties Of Hydrothermal Aged Laser Treated Cubic Versus Tetragonal Zirconia Ceramics, Shahenda Abdallah, Inas Motawea, Mostafa Abdel Ghany, Rania Amin
Al-Azhar Journal of Dentistry
Purpose: This study was carried out to compare the effect of laser surface treatment on cubic and tetragonal zirconia ceramics regarding; phase transformation tetragonal-monoclinic (T-M), surface topography, mechanical properties and biaxial flexural strength before and after low thermal degradation (LTD) aging. Materials and Methods: sixty discs (N=60) of CAD/CAM zirconia were used in this study. These specimens were divided into two main groups according to type of zirconia. Group I: (n=30) Cubic Zirconia (DD cubeX2), while Group II: (n=30) Tetragonal zirconia (Superfect-Zir). Then each group further subdivided into two subgroups according to surface treatment, subgroup (1): control without surface treatment, …