Abstract
Radiopacity of the denture base resin has significance in X-ray search for swallowing or aspirating of denture. However, there have been few reports concerning the radiopacity of the denture base resin.
In this study, we examined the radiopacity of 69 type of 39 commercial denture base resins and evaluated factors in high radiopacity.
Radiopacity was not different in the same product with different shade. Radiopacity was not different among materials when the sample thickness was 1mm, but Sumiply®(Polyethersulfone), Polysulfone, Epolex®and Triad®showed good radiopacity when the sample thickness was 5mm or 10mm.
In light curing denture base resin with high radiopacity, silica fillers contained in them are considered to be related to the radiopacity of the materials. The high radiopacity of Smiproy and polysulfon may be explained by their high density.
