Abstract
The hygiene methods employed by denture wearers should be effective and not harmful to the constituent materials of prosthetic devices. The objective of this study is to evaluate the adverse effects caused by solutions based on castor oil (Ricinus communis - 3,3%, 5% e 10%) on a heat-polymerized acrylic resin. To obtain the specimens, circular metallic matrices (16 X 6mm) will be invested…