Lucitone® FRS™ is a thermoplastic injectable resin that offers superior flexibility for excellent patient comfort and transparency for optimal esthetics. The Lucitone FRS superior characteristics are: higher tensile strength, a stronger appliance with better tooth retention; higher flexural strength, a more stable appliance with the ability to flex in and out of undercuts; four Lucitone 199® shades (plus clear) for optimal esthetics; monomer free; metal free; and stain resistant. FRS delivers proven accuracy the first time, eliminating costly remakes.