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    Resistance to fracture of fluid and bulk-type resins in comparison to conventional resins. in vitro study. Lima Perú. 2020.
    (Universidad Privada Norbert Wiener, 2020-12-29) Collao Huerta, Oscar Pablo Cesar; Adrianzen Acurio, César Augusto
    Objective: To determine the fracture resistance of flowable and bulk-fill resins compared to conventional resins. Methodology: Three types of resins were used: a conventional resin, a flowable resin, and a bulk-fill resin, each shaped into cylinders with dimensions of 8 millimeters in height and 4 millimeters in diameter. The sample size was determined by sample calculation, using 10 resin cylinders of each type, which were subjected to compression by a universal testing machine. This machine applied a compressive force on the resin cylinders at a rate of 1 mm/min of compression until the cylinders fractured. Data processing was carried out using SPSS software with the ANOVA statistical test. Results: It was found that the fracture resistance of conventional resin was 149.879 ± 18.609 Megapascals, the fracture resistance of the flowable resin was 122.994 ± 26.906 Megapascals, and the fracture resistance of the bulk-fill resin was 122.994 ± 26.906 Megapascals. Conclusion: The flowable resin exhibited higher fracture resistance than the conventional resin, and the latter showed greater resistance than the bulk-fill resin.