Table 2 von Mises stress results at each structure in three different models.
Component | von Mises stress on each model (Mpa) (% of von Mises stress with reference) | ||
|---|---|---|---|
Reference | CCP | ZPSC | |
C4–C5 Endplate upper | 3.946 | 2.081 (52.74%) | 5.031 (241.76%) |
C4–C5 Endplate lower | 2.505 | 1.736 (69.30%) | 2.759 (158.93%) |
C4–C5 Annulus fibrosus | 1.844 | 4.400 (238.61%) | 1.936 (44.00%) |
C4–C5 Nucleus pulposus | 1.844 | 0.275 (2116.54%) | 0.019 (6.98%) |
C6–C7 Endplate upper | 1.744 | 1.731 (99.25%) | 3.401 (196.48%) |
C6–C7 Endplate lower | 1.646 | 1.422 (86.39%) | 2.645 (186.01%) |
C6–C7 Annulus fibrosus | 1.154 | 3.920 (339.69%) | 2.039 (52.02%) |
C6–C7 Nucleus pulposus | 0.005 | 0.179 (3580.00%) | 0.015 (8.38%) |
C5 Cortical bone | 9.337 | 22.525 (241.24%) | 36.830 (163.51%) |
C6 Cortical bone | 8.228 | 17.925 (217.85%) | 14.931 (83.30%) |
C5 Cancellous bone | 0.060 | 0.183 (305.00%) | 1.264 (690.71%) |
C6 Cancellous bone | 0.112 | 0.305 (272.32%) | 0.167 (54.75%) |
Cage | 103.610 | 47.135 | |
Screw | 69.074 | 74.297 | |