A tooth cleaner structure improvement comprising: a tooth cleaner, a first tube body, a filtering device, and a second tube body with a submersible motor attached thereto, wherein the tooth cleaner has a grip tube, the grip One end of the tube is provided with a punching head, and the other end is connected to the filtering device through the first tube body. The filtering device has a body, one end of the body is a closed end, and the other end is an open end, and a chamber is formed therein. The chamber is filled with a filter material, and a first cover is coupled in a removably attachable manner, and an opening portion is provided on the open edge of the open end, and a central portion of the first cover is provided for providing a second pipe body for connection The water inlet joint has a water outlet joint on the closed end of the body, and a pouring mouth in the consistent inlet chamber is arranged on the side of the water outlet joint, and a second cover is combined on the pouring mouth.一種潔牙器結構改良，其包含有：一潔牙器、一第一管體、一過濾裝置，與一附加有沉水馬達的第二管體，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，又開放端的開口緣上設有接合段，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，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。
