Esthet•X Flow liquid micro hybrid composite, utilizes a proprietary formulation with pseudoplastic handling that enables it to stack immediately as it is syringed. Slight instrumentation is all that is needed to immediately make the material more fluid. Indication:. Class V restorations; Conservative Class III restorations; Conservative Class I restorations; As a liner under direct restorative materials and under inlay restorations. – Class II box liner