The invention is directed to methods for the preparation of a long-lasting dental restoration, a kit for the preparation of a long-lasting dental restoration comprising one or more containers containing: a first polymerizable compound a second polymerizable compound a curing agent for a first polymerization process a curing agent for a second polymerization process an inorganic filler and a pigment and optionally containing instructions for use thereof. The invention is further directed to a long-lasting dental restoration comprising: a polymeric matrix comprising at least two polymeric systems an inorganic filler and a pigment, wherein said long lasting dental restoration is formed by at least two curing processes of said polymeric systems, and to methods for the preparation of a dental restoration, wherein said dental restoration is either fully or partially structured chair-side or it is fully structured in a dental laboratory.