Abstract: Rubber dam system is a mandatory tool for modern endodontic treatments, which helps reduce crossinfection in treatment and improves the treatment result. Since the December of last year, novel coronavirus pneumonia (NCP) caused by the 2019nCoV virus has been affecting the whole world. In this situation, the use of rubber dam system seems much more important than ever for the control of the spread of 2019nCoV virus. This manuscript systematically reviewed the function, components, application methods and matters needing attention about the rubber dam system, and further clarified its function and significance for the control of 2019nCoV virus in oral disease treatments in pursuit of providing references for clinical proper use of this system.

Key words: rubber dam, endodontic disease, 2019-nCoV, infection, anchorage2, control