osteotomically separated portions of a mandible; [0023]FIG. 2 is a top plan view of the system illustrated in FIG. 1; [0024]FIG. 3 is a sectional side view of the system illustrated in FIG. 1 taken along line 3-3 in FIG. 2; [0025]FIG. 4A and 4B are a top plan view and a side elevation view, respectively, of the proximal foot plate of the system illustrated in FIG. 1; [0026]FIGS. 5A and 5B are a to