USD631550S1 - Dental impression upper tray

Info

FIG. 1 is a top perspective view of a dental impression upper tray showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a rear view thereof.

The ornamental design for a dental impression upper tray, as shown and described.