A paste comprises radical polymerizable monomer containing soluble polymer, and heavy or insoluble filler. The filler contains 90 wt.% or more particulate inorganic calcium salt which possess one by wire analysis certain particle size of less than 63 mu m. The particulate inorganic calcium salt has solubility at 20[deg] C in water of less than 8.5 g/liter. Independent claims are included for the following: (1) usage method of paste and (2) shaped component.
