Fig. 6From: Influence of the geometric and material properties of lumbar endplate on lumbar interbody fusion failure: a systematic reviewDifferent contact scenarios of fusion level when cage inserted. a The interbody cage inserted in a normal intervertebral disc space; b cage inserted in a pear-shaped disc space; c cage inserted in a disc space having large height; d cage inserted in a disc space having large angle; e cage inserted in a pear-shaped disc space having large angle; f cage inserted in a disc space having spondylolisthesisBack to article page