A kind of device that artificial tooth is sterilized using photocatalyst of titanium dioxide,Include an ontology and one be pivoted what bodies top lid,The accommodating space that body interior has for an artificial tooth storing,And lid opposite can be covered and be closed on what accommodating space,And accommodating space bottom and lid bottom are respectively equipped with a ultraviolet lamp group,And each ultraviolet lamp group of what be respectively facing accommodating space side be relatively set with a light-permeable photocatalyst of titanium dioxide reaction substrate,And substrate is reacted by the photocatalyst of titanium dioxide of ultraviolet lamp group irradiation light-permeable,And then photo-catalytic sterilization effect can be generated to the artificial tooth being installed in what accommodating space.一種應用二氧化鈦光觸媒對假牙殺菌的裝置，包括有一本體及一樞設於本體頂部之蓋體，本體內部具有可供一假牙置放之容置空間，且蓋體可相對蓋合於容置空間上，而容置空間底部與蓋體底部分別設有一紫外線燈組，且於各紫外線燈組分別朝向容置空間之一側相對設置有一可透光之二氧化鈦光觸媒反應基板，並藉紫外線燈組照射可透光之二氧化鈦光觸媒反應基板，進而可對容設於容置空間中之假牙產生光觸媒殺菌作用。
