A vertebral body replacement or spacer that re-creates a lordosis angle
(or other angle) of a human spine. An embodiment of the spacer may
comprise contoured superior and inferior bearing surfaces. More
particularly, the contoured surfaces may be defined by compound curves
such as two radii substantially orthogonal to each other. As a result,
the bearing surfaces may conform to the convex end plates of adjacent
vertebra. In another embodiment, the present invention may provide a
method of establishing a lordosis angle. The method may comprise
inserting a spacer into an intervertebral space and positioning the
spacer in such a manner that the contoured surfaces generally correspond
to the end plates of the adjacent vertebra. However, the spacers and
methods of the embodiments of the present invention may be used to
re-create other angles in the human spine.