Profile: SpofaDental a.s. offers filling materials, impression materials & dental resins. Our product retensinR plus is a single component adhesive designed for bonding composites, metals, amalgams and porcelains. This fluoride-releasing bonding agent is approximately 25% filled with a proprietary combination of fumed silica and barium glass. Our product adhesor fine is a cement with very fine-grained powder, enabling formation of film up to 25 microns. It allows perfect cavity sealing.