Fig 1.
Different implant angulations: A) 0°, B) 15°, and C) 25°.
Fig 2.
Three maxillary first premolar screw-retained one-piece monolithic zirconia restorations in 3 implant angulations.
Fig 3.
Final samples prepared for loading test.
Fig 4.
Compressive loading at a crosshead speed of 0.5 mm/min in a universal testing machine.
Fig 5.
Mean fracture strength and standard deviation (N) for different implant angulations.
Table 1.
P values for Shapiro-Wilk and Levene’s tests.
Table 2.
Means ± standard deviations of load at fracture (N) and multiple comparisons among the groups.
Fig 6.
SEM overview of fractures at different magnifications; A, B, C: 0° group, D, E, F: 15° group; G, H, I: 25° group.
Fig 7.
Peripheral zirconia thickness based on fracture location (A: 0° group, B: 15° group, C: 25° group).