Telio CS Inlay and Telio CS Onlay are light-cured single-component materials, which allow dentists to temporize both Class I and II cavities without having to additionally use a temporary cement. Fast and easy application. Easy and quick removal. CS Onlay Syringe. 2.5gm. Universal 3/Pk. Telio CS Inlay and Telio CS Onlay are light-cured single-component materials, which allow dentists to temporize both Class I and II cavities without having to additionally use a temporary cement.