Riva Star is a new generation desensitizer which immediately removes tooth sensitivity. Clinically tested & proven for decades Aesthetically pleasing for the patient – reduced staining Immediate dentinal hypersensitivity relief for adults over the age of 21 Non-invasive – suitable for MID Patented Technology Riva Star range contains 38% Silver Fluoride Clinical studies support the immediate effect of Riva Star and its long term effect of over two years. Pre-treating tooth surfaces with Riva Star is a great way to enhance bonding of glass ionomers to dentin. Unlike other silver fluoride systems, Riva Star’s two step patented procedure minimizes the risk of staining. By applying the potassium iodide solution over the silver fluoride solution, a silver iodide precipitate is formed.