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May 9, 2026Open Access

Effect of Nd: YAG Laser on Hardness and Color Change of High Impact Acrylic Denture Base Material

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Authors

NMNoor D. MajeedUniversity of KufaBKBayan S. KhalafUniversity of Baghdad

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Implication

Randomized trial evaluates hardness and color change in acrylic denture bases using Nd: YAG laser, suggesting aesthetic implications.

Key Points

  • This research aims to assess how Nd: YAG laser treatment influences the hardness and color of high-impact acrylic denture base material.
  • Fifty acrylic samples divided into three groups: untreated control, laser-treated at 0.03 mm hatch, and 0.05 mm hatch.
  • Hardness assessed with a Shore D durometer; color changes measured using CIELab system with a digital colorimeter.
  • Chemical surface analysis performed by FTIR spectroscopy and statistical significance analyzed via ANOVA and independent t-tests.
  • FTIR analysis indicated no chemical changes post-laser treatment.
  • Hardness measurements did not show significant differences (p > 0.05) among the groups.
  • Laser treatment resulted in significant color changes (ΔE indicating a 'much' perceptible difference, p ≤ 0.05), potentially affecting aesthetics.

Cite This Study

Majeed et al. (2026) studied this question.

synapsesocial.com/papers/69fed021b9154b0b828771d6https://doi.org/10.30526/39.2.4218
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