The present invention discloses a tooth cleaning assembly and a tooth cleaning device. The tooth cleaning device includes a base assembly and a tooth cleaning assembly. The base assembly includes a main body unit having an accommodating space and a power source unit in the accommodating space. The tooth cleaning assembly includes a support unit movably connected with the main body unit and having a transmission space, at least one first lighting unit in the transmission space and electrically connected with the power source unit, and a cleaning unit on the support unit and corresponding to the transmission space. The at least one first lighting unit is controlled to generate a first light beam, and the first light beam passes through the transmission space and is projected onto the cleaning unit and the outside of the support unit.本發明揭露一種潔牙組件及潔牙裝置，潔牙裝置包括基座組件與潔牙組件。基座組件包括具有容置空間的主體單元以及位於容置空間的電源單元。潔牙組件包括能活動地連接於主體單元且具有傳遞空間的支撐單元、位於傳遞空間且電性連接電源單元的至少一第一照明單元以及位於支撐單元且對應傳遞空間的清潔單元。其中，至少一第一照明單元受控制而產生第一光束，第一光束通過傳遞空間而投射至清潔單元與支撐單元的外部。
