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  Indian J Med Microbiol
 

Figure 8: (a and b): Tested porcelain veneered zirconia samples after aging under 30× (a) and 250× (b) magnification. (c and d) Fractured veneer surface under 30× (c) and 250× (d) magnification. Arrow represents the loaded side and shows veneering ceramic attached on zirconia substructure suggesting cohesive failure of veneering ceramic. High magnification of fractured veneer surface show a big pore inside the veneering ceramic

Figure 8: (a and b): Tested porcelain veneered zirconia samples after aging under 30× (a) and 250× (b) magnification. (c and d) Fractured veneer surface under 30× (c) and 250× (d) magnification. Arrow represents the loaded side and shows veneering ceramic attached on zirconia substructure suggesting cohesive failure of veneering ceramic. High magnification of fractured veneer surface show a big pore inside the veneering ceramic