The development of modified denture base materials

This work has been undertaken in an attempt to develop improved materials for the construction of dentures. In particular, a material was sought that would combine radiopacity with high impact resistance. Eight particulate radiopaque glasses were prepared and incorporated into poly(methyl methacrylate) denture base material, and the properties of the resultant composites were measured. Experiments were also carried out with glass fiber fillers, which were found to increase impact strength. It was shown that the incorporation of both a particulate radiopaque glass and glass fiber, 20% of each, yielded composites with improved properties.