Tetric Evoflow Refill Syringe Bleach L A flowable, light-curing, radiopaque nano-hybrid composite for the restorative therapy and cementation of ceramic & composite restorations Cures in the wavelength range of 400-500nm (blue light). Indications:- as inital layer under Class I and II restorations Anterior restorations (Classes III, IV). Class V restorations (Cervical caries, root erosion, wedge-shaped defects). Small restorations of all types