[The development of dental silver amalgam glass ionomer cement]

To eliminate the harm of mercury, we, by means of special technology, have developed a new type of dental filling material, comprising of glass ionomer and 100% ultra-fine ball-shaped silver amalgam powder. Clinical applications show it has very good wear-resistant, pressure-resistant and adhesive properties Moreover, it causes no irritation to the dental pulp and is a good kind of dental filling material in clinical applications.