Abstract
The purpose of this study was to evaluate the microhardness of the matrix part of a commercially available dual-cure resin cement: Panavia Fluoro Cement (Kuraray Medical). The effect of curing methods (with or without light irradiation), storage conditions (either in the dry chamber, distilled water or artificial demineralizing solution: pH4.5) and storage periods (1 day or 1 week) on the microhardness of dual-cure resin cement matrix was investigated. Microhardness of the matrix resin part of each specimen were measured using a nano-indentation tester (ENT-1100, Elionix) with 5gf load. The data of each group were statistically analyzed and then the factor curing methods was revealed to have significant effect on the microhardness of the resin cement matrix, while storage conditions and storage periods had no significant effect.