The ornamental design for an adjustabledentalmediaholder, as shown and described.
FIG. 1 is a perspective view of an adjustable dental media holder of the present invention;
FIG. 2 is a perspective view of the adjustable dental media holder with the bite block component shown in an alternate position;
FIG. 3 is an exploded perspective view of the adjustable dental media holder shown in FIG. 1;
FIG. 4 is a top view of the adjustable dental media holder shown in FIG. 1;
FIG. 5 is a front view of the adjustable dental media holder shown in FIG. 1;
FIG. 6 is a rear view of the adjustable dental media holder shown in FIG. 1;
FIG. 7 is a right side view of the adjustable dental media holder shown in FIG. 1, the left side view being a mirror image; and,
FIG. 8 is a perspective view of the bite block component of the adjustable dental media holder shown in FIGS. 1-2, the bite block component being shown separately for illustration purposes.
The broken lines in the drawing views are included for the purpose of illustrating portions of the adjustable dental media holder that form no part of the claimed design.