Dental vibration device

FIG. 1 is a rear, left, bottom perspective view of a dental vibration device showing our new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a rear elevation view thereof; and,

FIG. 7 is a front elevation view thereof.

The broken lines shown in the drawings depict portions of the dental vibration device that form no part of the claimed design.