FIG. 1 is a side, perspective view of a dental abutment screw in accordance with the design;
FIG. 2 is a left-side view thereof;
FIG. 3 is a right-side view thereof;
FIG. 4 is a front view thereof;
FIG. 5 is a rear view thereof;
FIG. 6 is a top view;
FIG. 7 is a bottom view;
FIG. 8 is a side, perspective view of a dental abutment screw in accordance with another embodiment of the design;
FIG. 9 is a left-side view thereof;
FIG. 10 is a right-side view thereof;
FIG. 11 is a front view thereof;
FIG. 12 is a rear view thereof;
FIG. 13 is a top view; and,
FIG. 14 is a bottom view.
The features shown in dashed lines do not make up a part of the claimed design.