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<p>Poly(methyl methacrylate) (PMMA) is widely used in dental prosthetics due to its aesthetic and functional properties. However, its susceptibility to fracture, wear, and mechanical degradation under oral forces limits its longevity and performance. Enhancing PMMA’s mechanical properties is crucial for improving the durability of oral rehabilitations, reducing failure rates, and ensuring better patient outcomes to withstand oral forces. This systematic review evaluated the influence of Cellulose Nanomaterials (CNs) on PMMA’s mechanical properties. Following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines, the study was registered on the Open Science Framework (osf.io/sthvf). A literature search across seven databases (up to December 2024) identified 2190 studies. After removing Duplicates and applying the eligibility criteria, 28 were qualitatively assessed. 16 studies presented a moderate, and 12 presented a low risk of bias. Of 28 studies reviewed, 26 reported that CN-functionalized PMMA improved flexural strength, tensile strength, impact strength, storage modulus, microhardness, and rupture strength. CNs enhance PMMA’s mechanical properties, with CNF excelling in impact resistance, making it highly promising for dental applications.</p>

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Influence of cellulose nanoparticles on the mechanical properties of dental acrylic resins: a systematic review of in vitro studies

  • 期刊论文

  • 发表日期：

    2025年9月10日

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  • Victor de Melo-Soares,
  • Andréa Cândido dos Reis,
  • Mariana Lima da Costa Valente

摘要

Poly(methyl methacrylate) (PMMA) is widely used in dental prosthetics due to its aesthetic and functional properties. However, its susceptibility to fracture, wear, and mechanical degradation under oral forces limits its longevity and performance. Enhancing PMMA’s mechanical properties is crucial for improving the durability of oral rehabilitations, reducing failure rates, and ensuring better patient outcomes to withstand oral forces. This systematic review evaluated the influence of Cellulose Nanomaterials (CNs) on PMMA’s mechanical properties. Following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines, the study was registered on the Open Science Framework (osf.io/sthvf). A literature search across seven databases (up to December 2024) identified 2190 studies. After removing Duplicates and applying the eligibility criteria, 28 were qualitatively assessed. 16 studies presented a moderate, and 12 presented a low risk of bias. Of 28 studies reviewed, 26 reported that CN-functionalized PMMA improved flexural strength, tensile strength, impact strength, storage modulus, microhardness, and rupture strength. CNs enhance PMMA’s mechanical properties, with CNF excelling in impact resistance, making it highly promising for dental applications.