Tetric 100 Series 2 is a light-curing, radiopaque composite intended for direct restorative treatment of anterior and posterior teeth.Tetric 100 Series 2 is also suitable for use in restoring occlusal surfaces. 100% aluminum has a radiopacity corresponding to dentin and 200% aluminum corresponds to enamel. Tetric 100 Series 2 cures under the influence of light in the wavelength range 400-500 nm.It can be used as a first layer under Class I to Class V restorations, small restorations of all types, undercut blocking, extended fissure sealing, and repair of composite restorations