Interbody fusion (IBF) is an accepted procedure for the treatment of single-level cervical disc disease. The goal of interbody fusion in the cervical spine is to restore disc height and achieve solid arthrodesis; however, a concern with IBF devices is subsidence. The purpose of this study was to biomechanically test and compare subsidence between two cervical interbody fusion techniques, under axial compressive loading in a human cadaveric cervical model.

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