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Research Article

Fatigue behavior of three thin CAD/CAM all-ceramic crown materials

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Pages 29-36 | Received 23 Mar 2020, Accepted 03 Jan 2024, Published online: 11 Jan 2024

Figures & data

Figure 1. Thickness of the crown a) thin b) typical thickness crown.

Figure 1. Thickness of the crown a) thin b) typical thickness crown.

Figure 2. 3D model of the restored first molar, (a) indenter, (b) crown, (c) dentin, (d) root.

Figure 2. 3D model of the restored first molar, (a) indenter, (b) crown, (c) dentin, (d) root.

Figure 3. Boundary conditions and applied loading (arrow) for the used model.

Figure 3. Boundary conditions and applied loading (arrow) for the used model.

Figure 4. Fatigue strength S-N curve for restorative material used (Homaei et al. Citation2016).

Figure 4. Fatigue strength S-N curve for restorative material used (Homaei et al. Citation2016).

Table 1. Material properties for the restored first molar model.

Figure 5. Sensitivity mesh analysis for the number of elements.

Figure 5. Sensitivity mesh analysis for the number of elements.

Figure 6. Max tensile stress for the three groups studied under axial compressive load =150 N for zirconia crown, a) group a, b) group b, c) group c.

Figure 6. Max tensile stress for the three groups studied under axial compressive load =150 N for zirconia crown, a) group a, b) group b, c) group c.

Figure 7. Survival rates the three groups tested under two loading conditions, a) axial loading, b) axial followed by 0.8 mm sliding.

Figure 7. Survival rates the three groups tested under two loading conditions, a) axial loading, b) axial followed by 0.8 mm sliding.

Table 2. Shear stress at the dentin-adhesive interface [MPa].