One-component bone cement pastes, containing:AI at least one methacrylate monomer suitable for radical polymerizationAII at least one polymer that is soluble in AIAIII at least one particulate polymer that is insoluble in AI and has a particle size of less than 500 μmoptionally AIV at least one radical-forming initiator or at least one radical initiator that is soluble in AI and subject to thermal decompositionoptionally AV at least one electrically conductive radio-opaquer, in the form of ferromagnetic particles.