Abstract Introduction: One of the numerous problems that clinicians and technicians are faced with is the phenomenon of breakage of Acrylic resin, the basic material in complete denture. Objective: The main aim of this research was to survey the quality of Acropars heat cure Acrylie resin and compare it with Bayer and Mead way heat cure acrylic resins in order to reduce the deficiency existing. Materials and Methods:‌ 10 samples of each acrylic resins were‌ build‌ in with dimensions of ‌‌65*10*2.5mm and then were divided in three groups: 1. Acropars 2-Meadway 3- Bayer Energy was exerted on samples through the Instron machine at speed of 5mm/min and their transversal strength (breakage strength) was measured. Results: The average transversal strength in first group was: 65.961.23 Mpa & the transversal strength in second group was 81/081.02 Mpa and in third group was 84/31.19 Mpa, and there was a significant difference in first group compared to the second and third groups. Conclusion: Regarding to the average transversal strength of samples it was shown that the Acropars heat cure Acrylic resin have significant difference when comparison with similar foreign samples. But it was approved regarding the ISO 1567 test, which states that mpa 65 is satisfactory.

Keywords: Acrylic Resins, Dentures- Complete, Polymers

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