Oral cavity treatment device

Description

FIG. 1 is a top, front perspective view of an oral cavity treatment device showing our new design;

FIG. 2 is a bottom, rear perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines illustrate portions of the oral cavity treatment device that form no part of the claimed design. The dot-dash broken lines define the bounds of the claimed design and form no part thereof.

Claims

The ornamental design for an oral cavity treatment device, as shown and described.