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Table 3 Stress (MPa) on endplate and steel plate

From: Relationship between screw sagittal angle and stress on endplate of adjacent segments after anterior cervical corpectomy and fusion with internal fixation: a Chinese finite element study

Tissues and materials

Areas

Anteflexion

Posterior extension

10°

10°

C4 superior endplate

Anterior

8.21

7.52

7.17

1.30

1.31

1.30

Posterior

2.34

2.21

2.12

8.99

8.35

8.12

Left

1.27

1.39

1.27

1.54

1.70

1.86

Right

1.48

1.45

1.56

1.24

1.16

1.17

C6 inferior endplate

Anterior

4.13

4.27

3.80

1.64

1.57

1.52

Posterior

3.17

2.92

2.78

3.62

3.46

3.25

Left

2.76

2.52

2.28

2.71

2.56

2.51

Right

3.04

3.13

3.10

3.50

3.31

3.30

Steel plate

Upper

3.31

3.78

3.84

2.15

3.01

3.45

Middle

16.20

17.31

19.37

12.24

12.56

13.05

Lower

2.43

2.48

2.53

2.36

2.53

2.63