The ornamental design for a sanitationdevice for dentalaccessories, as shown and described.
FIG. 1 is a perspective top view of the sanitation device;
FIG. 2 is a left side view thereof, the right side view being a mirror image;
FIG. 3 is a front view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a top view thereof;
FIG. 6 is a bottom view thereof; and,
FIG. 7 is a perspective top view of the sanitation device mounted on a dental accessory, such as an electric toothbrush.
The broken line showing of an electric toothbrush in FIG. 7 represent an environment. Other broken lines illustrate portions of the sanitation device that form no part of the claimed design. The broken lines form no part of the claimed design.