Context:The resin bonded fixed dental prostheses are a conservative restorative treatment, used mainly to replace missing teeth in the anterior sector. In this type of prosthesis, the selection of the cement is important because, according to the literature, the most frequent cause of its failure is detachment (33.7%); however, only few studies consider this factor.Aims: Compare the compressive stress distribution generated in a cantilever bridge when using two types of dual resin cements, through finite element analysis.Material and Methods: Two virtual models were designed using SOLIDWORKS® software version 2017. In both models, a cantilever was simulated with a pontic (lateral incisor) and a palatal retainer (upper left canine). Relyx U200 cement was used in model A and Relyx ARC cement in model B. Then, a force of 100 Newtons (N) was simulated on the palatal side of the pontic at an angle of 45° and a horizontal force of 100N on the palatal side of the canine.Results: For both models, the maximum stress was 660.891 MPa when applying oblique forces and 16.6 MPa when applying horizontal forces. Regarding the displacement, the maximum value was 0.014 mm for oblique forces and 0.00066 mm for horizontal forces.
Conclusion:The results were the same for both models, where it was observed that the compressive stress values were higher when applying oblique forces compared to horizontal forces.