The Effects of a Denture Cleanser on the Surface Roughness of Heat-Cured and Cold-Cured Acrylic Resins

Objective:To evaluate the effects of one denture cleanser on the surface roughness of heat-cured and cold-cured acrylic resin materials.Materials and Methods:Two acrylic resin materials (one heat cured and one cold cured) were used in this study. Twenty disk-shaped specimens (10 mm in diameter and 2 mm thick) were prepared from each resin, polished, and stored in water at 37°C for 48 hours. Disinfection methods included immersion in an alkaline peroxide effervescent denture cleanser for 5 minutes and then immersion in water at 37°C. The disinfection procedures were repeated 60 times in 6 days before submitting the specimens to surface roughness measurements. Control specimens (not disinfected) were kept in distilled water at 37°C for 6 days before undergoing surface roughness tests. Statistical analyses of data were conducted with an ANOVA and a Tukey post hoc test (α=0.05).Results:Results:Cold-cured acrylic resin test specimens showed significantly (p