“…2,7,8,13,20,21 Ensuring tight, 100% apposition of the facets, a trapezoidal interbody graft, and contouring of the plate into lordosis will optimize the stability of this anterior approach for what is primarily a posterior ligamentous injury. 47 Specific to bilateral facet subluxations, however, are the findings of a study by Elgafy et al, 17 wherein patients with bilateral facet subluxations (perched facets without fracture) were found to develop higher degrees of kyphosis after posterior instrumented fusion. 16,41 When the disc is essentially intact or merely disrupted without frank herniation, then the surgeon can make a choice either anterior or posterior fixation based on patient and surgeon preference.…”