The ornamental design for a dentaldispensercap, as shown and described.
FIG. 1 is a perspective view of a dental dispenser cap showing our new design.
FIG. 2 is a front view thereof.
FIG. 3 is a rear view thereof.
FIG. 4 is a side view thereof, the opposite side being a mirror image.
FIG. 5 is a top view thereof; and,
FIG. 6 is a bottom view thereof.
The broken line showing in the drawings is included for the purpose of illustrating portions of the dental dispenser cap and forms no part of the claimed design.