The invention discloses a tooth cleaning device, which comprises a shell, a suction generating unit, a suction pipeline and a suction nozzle. The shell has a holding space, and one end of the shell is provided with an opening. The suction generating unit is arranged in the holding space. One end of the suction pipe is connected to the suction generating unit through an opening, and the other end of the suction pipe is exposed outside the shell. The suction nozzle can be detachably connected to the other end of the suction pipeline, and the suction nozzle is a C-shaped structure with one of the notches.本創作係揭露一種潔牙裝置，其包含一殼體、一吸力產生單元、一吸力管路及一吸嘴。殼體具有一容置空間，且該殼體之一端係具有一開口。吸力產生單元設置於容置空間。吸力管路之一端係穿入開口連接於吸力產生單元，吸力管路之另一端顯露於殼體外。吸嘴可拆缷地連接於吸力管路之另一端，且吸嘴係為具有一缺口之一C字型結構。
