The ornamental design for a combinedtoothbrush and gummassager, as shown and described.
FIG. 1 is a front elevational view of a combined toothbrush and gum massager showing our new design, the rear elevational view, left side and right side views being the same thereas;
FIG. 2 is a top plan view thereof; and,
FIG. 3 is a bottom plan view thereof.
The crosshatching shown in the views represents a conventional material and is understood to continue over the entire surface on which it appears.