Ketac Silver Aplicap Glass Ionomer filling material is an alternative to amalgam for core build-ups. This glass ionomer silver restorative is also used for indications of primary teeth fillings, small fillings in posterior teeth, temporaries and a base under amalgams. Convenient unidose capsules. Chemically bonds to enamel and dentin. Mechanically adheres to pins or posts, resulting in a strong, unitary core. High sustained fluoride release. Radiopaque. Contains no amalgam.