Electric toothbrush

FIG. 1 is a side perspective view of an electric toothbrush showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is an enlarged top view thereof; and,

FIG. 7 is an enlarged bottom view.

The broken lines in the figures depict portions of the electric toothbrush that form no part of the claimed design.