The invention relates to a charging station for a wireless photopolymerization device for curing photopolymerizable dental materials, wherein the photopolymerization device comprises a store for electric current, in particular a battery or a capacitor, and wherein the charging station comprises at least one electrically conductive charging contact, by means of which an electrically conductive connection to an electrically conductive mating charging contact of the photopolymerization device is provided in order to charge the store when the photopolymerization device is connected to the charging station, wherein the electrically conductive charging contact is part of an attachment that is or can be detachably fastened to the charging station, wherein the electrically conductive charging contact is connected in the attachment to at least one second electrically conductive charging contact of the charging station in an electrically conductive manner when the attachment is fastened to the charging station. The invention further relates to a wireless photopolymerization device for curing photopolymerizable dental materials, wherein the photopolymerization device comprises a store for electric current, in particular a battery or a capacitor, and wherein the photopolymerization device comprises at least one electrically conductive charging contact, by means of which an electrically conductive connection to an electrically conductive mating charging contact of a charging station for the photopolymerization device can be established in order to charge the store when the photopolymerization device is connected to the charging station, wherein the electrically conductive charging contact is part of an attachment that is or can be detachably fastened to the photopolymerization device, wherein the electrically conductive charging contact is connected in the attachment to at least one second electrically conductive charging contact in the photopolymerization device in an electrica
