To provide a dental apparatus system capable of making odontotherapy in a clean state and completely preventing nosocomial infection through the odontotherapy.

Suitable number of apparatuses P used in odontotherapy are provided to be freely adjusted in its position by a remote operation. A control device 1 is provided for centralized-operating the plural apparatuses. A germ eliminating cover 2 is removably mounted on the surface of the control device 1. As the plural apparatuses P, a chair P1 for odontotherapy, an illuminator P2 for an oral cavity and a bracket table P3 are used singly or in a combination. The position adjustment includes the angle, height and moving position of the apparatus. The germ eliminating cover 2 is formed of thin sheet-like rubber like a bottomed cylinder.