A dental care device has a dental care member and an illuminating module. The dental care member is suitable for mounting around partial teeth of user’s upper teeth or partial teeth of user’s lower teeth. The dental care member has a base and two clip arms being relative to each other in positions. The clip arms are transparent and light-conducting. The clip arms are respectively positioned at the inner side of the partial teeth and the outer side of the partial teeth. Each of the clip arms has a connecting end and a clipping end opposite to the connecting end. The connecting end is connected to the base. An accommodation space is formed between the base and the clip arms. The partial teeth of user are accommodated in the accommodation space. The illuminating module has multiple light sources. The light sources are disposed in the clip arms and emit light toward the accommodation space. The dental care device is convenient in use, is accurate in treatment, and is harmless to healthy tissue.一種口腔保健裝置,包含護牙件及發光模組。護牙件適於套設於使用者口腔的上排或下排的局部牙齒,且護牙件包含基座及二位置相對的透明導光夾臂。所述透明導光夾臂位於使用者的局部牙齒的內側與外側,且所述透明導光夾臂具有連接端與位置相反於連接端的夾持端,連接端與基座相接,且基座與所述透明導光夾臂之間形成容置空間,使用者的局部牙齒容置於容置空間內。發光模組包含多個光源,所述光源設置於所述透明導光夾臂內,且所述光源適於朝向容置空間發光。藉此,所述口腔保健裝置同時具有使用便利、治療精準及避免傷害非患部的優點。11‧‧‧基座12‧‧‧透明導光夾臂121‧‧‧連接端122‧‧‧夾持端13‧‧‧容置空間14‧‧‧插接口21‧‧‧光源22‧‧‧電路板23‧‧‧聚光膜32‧‧‧電源連接件40‧‧‧局部牙齒41‧‧‧內側42‧‧‧外側50‧‧‧牙齦
