A spinal plate having an upper surface and a lower surface, the lower surface adapted to contact bone. A plurality of holes extend from the upper surface to the lower surface through the plate which is configured and adapted to receive bone fasteners for fixing the spinal plate to bone. The lower surface of the spinal plate comprises a ridge that protrudes from the underside of the plate and encloses the plurality of holes spaced inward from the perimeter of the spinal plate.
