Abstract: An oral cavity cleaning device, particularly for bedridden patients, which comprises a body which has a grip portion connected to a front portion provided with bristles and the like, a channel provided inside the body with an opening at the bristles and an inlet which can be connected to an air suction unit, a container with a liquid located inside the channel, fluid tight means and internal ribs for peripherally supporting the container so as to form an annular region of the channel for the passage of fluid.