Effect of Adding Glass Fiber with Different Concentrations on Surface Hardness and Color of Acrylic Denture Base Material
Year: 2025
Type: article
Abstract: One of the most popular biomaterials, particularly in dentistry, is acrylic resin, often referred to chemically as polymethyl methacrylate, which is used to make dental restorations. Recent research indicates that adding glass fiber to acrylic resin materials has enhanced the mechanical and biological characteristics of the polymer. The study's goal was to ascertain how various glass fiber concentrations affected the heat-cured acrylic resin's surface hardness and color change. The main objective of hardening the acrylic resin that was used to make the denture base was to reduce smoothness loss, pigmentation, plaque retention, and aesthetic problems to extend the denture's serviceability. Ten samples of acrylic resin were made for each of the four groups. The grouping was based on glass fiber concentration in the resin (Control, 1.5%, 2.5%, and 5%). The present study's results indicate significant variations across surface hardness and color change test groups. Glass fiber reinforcing materials improved the hardness of acrylic resin that has been heat-cured compared with specimens that had no glass fiber added to them (control group).Also, glass fibre has significant results on the color change of PMMA materials and allows light transmittance efficiently.
Author: Sarah A. Turki
Institution: Middle Technical University
Language: English
Subfield: Orthodontics
Field: Dentistry
Domain: Health Sciences
Open Access status: hybrid
OpenAlex ID: W4416968900
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