The invention relates to a tooth cleaning device, comprising: a tooth cleaning device, a first tube body, a filtering device and a second tube body, wherein the tooth cleaning device has a grip tube, and the end of the grip tube is provided with a punching nozzle The other end is connected to the filtering device through the first tube body. The filtering device has a body, the body has a closed end at one end and an open end at the other end, and a chamber is formed therein, and the chamber is filled with a filter material, and A first cover is coupled in a removable manner, and a water inlet joint for providing a second pipe body is provided in the center of the first cover, and a water outlet joint is disposed on the closed end of the body, and the water outlet is provided The joint provides a first pipe body fixing, and a side of the water outlet joint is provided with a pouring mouth in the consistent chamber, and a second cover is coupled to the pouring mouth.一種潔牙器改良，其包含有：一潔牙器、一第一管體、一過濾裝置與一第二管體，其中，潔牙器具有一握把管，握把管一端設有一沖牙噴頭，另一端則透過上述的第一管體連接所述過濾裝置，過濾裝置具有一本體，本體一端為封閉端，另一端為開放端，內部形成有一容室，容室中填充有過濾材，並以可再拆裝的方式結合有一第一封蓋，又第一封蓋中央設有一用以提供第二管體做接設的入水接頭，本體的封閉端上設有一出水接頭，俾以該出水接頭提供第一管體固接，及該出水接頭旁側係設有一貫入容室中的傾倒口，傾倒口上並結合有一第二封蓋。
