Patent ID: 6777028
Filing Date: 2004-08-17
Classification: A61C,A61F,A61K,A61L,C04B,C23C,Y10T

Abstract:
Workpiece with a substrate of ceramic, metal or polymer, the substrate having a surface which is conditioned to form a stable connection with a polymer and which is provided with a silica layer and, on top of this, with a silane coupling agent,characterized in that the substrate, the silica layer and the silane coupling agent are sterile, and on top of the silane coupling agent, there is a preserving protective layer which is a polymethyl methacrylate, a Bis GMA, an epoxy resin or a phenolic resin and is sterile and/or can be sterilized after polymerization, said protective layer being an activatable first component of a multi-component adhesive which can be formed at the time of use by addition of at least one further adhesive component.