| abstract |
A resinous composition for denture base, having improved performance suitable for microwave curing comprises (i) a powdery component containing as the main constituents a methacrylate ester polymer having a mean particle size of 50 to 120 microns, a barbituric acid derivative and an organic peroxide, and (ii) a liquid component containing as the main constituents a monomethacrylate ester monomer, a cross-linking agent and a quaternary ammonium chloride. |