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This work aims at evaluating the influence of the reinforcement of the denture base resin PMMA by using antibacterial S. persica particles and biocompatible hydroxyapatite HA powder, where different weight fractions (10% and 20%) for S. persica and (5% and 10%) for HA were used. When the values of wear rate, compression strength, bending strength and bending modulus were measured, the results showed that the incorporation of S. persica particles generally decreases wear resistance and mechanical properties. Nevertheless, the addition of HA particles improves these properties. Thus, the best combination of properties appears at 10% of each filler by enhancing wear resistance together with maintaining values of compressive strength, bending strength, and bending modulus above the limit indicated by the standard norm for dental composites.

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Mechanical Properties of Hybrid Antibacterial Dental Composite with Micro-Particles of S. persica and Hydroxyapatite as Fillers

  • 会议论文

  • 发表日期：

    2025年

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  • Rihem Chaaben,
  • Ayman Ayedi,
  • Khaled Elleuch

摘要

This work aims at evaluating the influence of the reinforcement of the denture base resin PMMA by using antibacterial S. persica particles and biocompatible hydroxyapatite HA powder, where different weight fractions (10% and 20%) for S. persica and (5% and 10%) for HA were used. When the values of wear rate, compression strength, bending strength and bending modulus were measured, the results showed that the incorporation of S. persica particles generally decreases wear resistance and mechanical properties. Nevertheless, the addition of HA particles improves these properties. Thus, the best combination of properties appears at 10% of each filler by enhancing wear resistance together with maintaining values of compressive strength, bending strength, and bending modulus above the limit indicated by the standard norm for dental composites.