Isobornyl methacrylate as diluent co‐monomer on physical‐mechanical properties of dental resin composites

The 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...

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Bibliographic Details
Published in:Journal of applied polymer science 2021-06, Vol.138 (21), p.n/a
Main Authors: Martins, Aurealice Rosa Maria, Silva, Isaias Donizeti, Machado‐Santos, Luciana, Vitti, Rafael Pino, Sinhoreti, Mário Alexandre Coelho, Brandt, William Cunha
Format: Article
Language:English
Subjects:
blends
Composite materials
Conversion
Dental materials
Flexural strength
Glycol dimethacrylates
Materials science
Mechanical properties
Modulus of elasticity
Monomers
Physical properties
Polymer blends
Polymer matrix composites
Polymers
Resins
Shrinkage
Tensile strength
Triethylene glycol dimethacrylate
Ultimate tensile strength
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Summary:The 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.
ISSN:0021-8995
1097-4628
DOI:10.1002/app.50498