Synergistic tribo-mechanical enhancement of heat-cured poly(methyl methacrylate) denture base via hybrid in-situ synthesized organic and inorganic nanoparticles.

Howida Mohamed, W Y Ali, Abdallah Shokry, A H Badran, Ameer Ali Kamel

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Article in Scientific reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

5 authors.

Howida MohamedDepartment of Mechanical Engineering, Faculty of Engineering, Fayoum University, Fayoum, 63514, Egypt. hma17@fayoum.edu.eg.

W Y AliDepartment of Production Engineering and Mechanical Design, Faculty of Engineering, Minia University, Minia, 61111, Egypt.

Abdallah ShokryDepartment of Mechanical Engineering, Faculty of Engineering, Fayoum University, Fayoum, 63514, Egypt.

A H BadranDepartment of Production Engineering and Mechanical Design, Faculty of Engineering, Minia University, Minia, 61111, Egypt.

Ameer Ali KamelDepartment of Production Engineering and Mechanical Design, Faculty of Engineering, Minia University, Minia, 61111, Egypt.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Poly(methyl methacrylate) (PMMA) is the primary material for dental applications, but it suffers from limitations such as poor wear resistance and long-term durability. To address these shortcomings, this work presents a new and cost-effective hybrid nanofiller system comprising hydroxyapatite (inorganic nanoparticles) and date seed (organic nanoparticles) for reinforcing PMMA denture bases. This study specifically investigates the reinforcement of heat-polymerized PMMA with this new hybrid nanofiller. Comprehensive material characterization was performed using XRD, DSC, SEM, TEM, and EDX. The findings demonstrate that PMMA composites with 0.2-1 wt% hybrid nanoparticles, particularly at 0.6 wt%, showed enhanced mechanical and tribological performance compared to the pure polymer. Specific improvements included a 30.99% decrease in the coefficient of friction, a 37.39% reduction in wear rate, a 31.92% increase in compressive strength, and a 9.87% improvement in surface hardness.

Indexed as

Denture base materialHybrid nanoparticlesMechanical propertiesPMMA nanocompositesTribological performance

Identifiers

PMID41611751

DOI10.1038/s41598-025-33026-2

PMCPMC12859117

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.