Mandibular Advancement Device

FIG. 1 is a top, front, left perspective view of a mandibular advancement device showing the new design; FIG. 2 is a top, front, right perspective view thereof; FIG. 3 is a top, front, left perspective view of the lower portion of the mandibular advancement device, shown disassembled for clarity of disclosure; FIG. 4 is a top, front, right perspective view thereof; FIG. 5 is a top plan view thereof; FIG. 6 is a bottom, front, left perspective view of the upper portion of the mandibular advancement device, shown disassembled for clarity of disclosure; FIG. 7 is a bottom, front, right perspective view thereof; FIG. 8 is a bottom plan view thereof FIG. 9 is a front elevation view of a mandibular advancement device; FIG. 10 is a left side perspective view, shown in condition of use for clarity of disclosure; and, FIG. 11 is a right side perspective view thereof. In the drawings, the broken lines depict portions of the mandibular advancement device that form no part of the claimed design. In FIGS. 10 - 11 , the broken lines showing human features depict environmental structure and form no part of the claimed design.