The ornamental design for a dentureplate, as shown and described.
FIG. 1 is a perspective front view of a denture plate without teeth, showing our new design
FIG. 2 is a front view of FIG. 1.
FIG. 3 is a rear view of FIG. 1.
FIG. 4 is a top plan view of FIG. 1.
FIG. 5 is a bottom plan view of FIG. 1.
FIG. 6 is a right side view of FIG. 1; and,
FIG. 7 is a left side view of FIG. 1.
The broken lines shown in the figures are included for the purpose of illustrating portions of the denture plate and form no part of the claimed design.