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The design evolution of interbody cages in anterior cervical discectomy and fusion: a systematic review

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Figure

Figure 1 Historical perspectives on ACDF implants. A) Cloward Dowel Graft B) Smith-Robinson Based Rectangular Implantg C) Simmons-BhallaKeystone D) Bailey-Badgley Onlay Strut.
Table 1 Clinical and radiological outcomes of different cage designs
Table 3 Cervical Disc measurements; measurements were compiled using weighted averages from studies of adult radiographs and cadavers; however a lackof reporting on age, gender and racial variation limits the value of such data [47,48,51,58,75,76]
Figure 2 Degenerative Changes of the Cervical Spine. A) Healthy cervical vertebrae and disc; B) Changes of cervical spondylosis (Disc herniation,osteophyte formation and disc space narrowing leading to reduction in neural foramen size).
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