. . "y separated portions of a mandible; FIG. 2 is a top plan view of the system illustrated in FIG. 1; FIG. 3 is a sectional side view of the system illustrated in FIG. 1 taken along line 3-3 in FIG. 2; 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; FIGS. 5A and 5B are a top plan view and a side elevation view" . .