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Background and Hypothesis: Negative symptoms of schiz-ophrenia (SCZ), particularly amotivation, are prominentacross both SCZ and bipolar disorder (BD). While orbit-ofrontal cortex (OFC) alterations have been implicated inthe development of negative symptoms, their contributionsacross disorders remain to be established [...]

Purpose: To investigate the effect of ceramic material (lithium disilicate, LDS vs. composition-gradient multilayered zirco-nia [4Y-PSZ and 5-PSZ], Z) and ceramic layer thickness (0.5 mm, 1.0 mm, and 1.5 mm) on fatigue performance and failureload of occlusal veneers on molars.Methods: Seventy-two CAD-CAM-fabricated occlusal veneer restorations (IPS e.max CAD; IPS e.max ZirCAD Prime Es-thetic, Ivoclar Vivadent) were divided into six groups (n=12, LDS-1.5, LDS-1.0, LDS-0.5; Z-1.5, Z-1.0, Z-0.5) [...]