US D422144 S
FIG. 1 is a perspective view of my ornamental design for a toothbrush head with bristles;
FIG. 2 is a right side elevational view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a front view thereof;
FIG. 5 is rear view thereof;
FIG. 6 is an end view thereof as seen from the left side of FIG. 2; and,
FIG. 7 is an end view thereof as seen from the light side of FIG. 2.
The structures shown in phantom or broken lines in the FIGs. form no part of the claimed design and are included only to illustrate an environment.