Abstract
AbstractThe aim of this study was to evaluate the effects of isobornyl methacrylate (IBOMA) as a diluent co‐monomer on the physical properties of experimental resins. Blends of bisphenol glycidyl methacrylate (Bis‐GMA) were formulated with triethylene glycol dimethacrylate (TEGDMA) and IBOMA in different wt%. The degree of conversion, flexural strength, elastic modulus, and ultimate tensile strength were determined. Immediate and 24 h volumetric shrinkage were calculated. Data were submitted to ANOVA and Tukey's tests (α = 0.05). Blends of Bis‐GMA and IBOMA showed the lowest ultimate tensile strength, flexural strength, elastic modulus, degree of conversion, and immediate and 24 h volumetric shrinkage results. However, when IBOMA was used together with TEGDMA in blends of Bis‐GMA, the resin composites showed best curing performance and high physical‐mechanical properties. Thus, the IBOMA is as diluent co‐monomer that can be used in dental resin composites to reduce the volumetric shrinkage.
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