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Table 7 Comparison of pressure in C5 after two-level ACDF using CP or zero-profile device ZP

From: Biomechanical effect of endplate defects on the intermediate vertebral bone in consecutive two-level anterior cervical discectomy and fusion: a finite element analysis

 

ZP

IM-ZP

CP

IM-CP

Extension

12.90

30.74

3.44

3.24

Flextion

10.90

18.65

3.29

3.33

Bending

19.61

36.18

3.66

3.79

Axial rotation

29.31

38.43

3.05

2.76