- A balance between long-lasting fluoride release and high durability thanks to Yamakin's unique filler technology. - A balance between long-lasting fluoride release and high durability thanks to Yamakin's unique filler technology. - As Flow have appropriate flowability, it is easy to fill or place them as desired. - In combination with the filler technology, excellent light scattering property was achieved while maintaining the same transmittance as our conventional products. A “chameleon effect” can be expected from this characteristic since the light scatters so that the surrounding colors become more natural.