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July 1, 2026European Oral ResearchOpen Access

Effect of firings on the lithium disilicate and zirconia-reinforced lithium silicate dental ceramics for CAD-CAM procedures

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Authors

RCRafael Leonardo Xediek ConsaniUniversidade Estadual de Campinas (UNICAMP)PMPedro Giorgetti MontagnerUniversidade Estadual de Campinas (UNICAMP)AMAntônio Marcos MontagnerFaculdade São Leopoldo Mandic

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Overview

Randomized trial verifies firing cycles improve surface roughness and strength in dental ceramics, suggesting optimal processing conditions.

Key Points

  • This study aims to evaluate how multiple firing cycles affect properties of lithium disilicate and zirconia reinforced ceramics.
  • Sixty discs (12mm x 1.2mm) from IPS E.max CAD (n=30) and Vita Suprinity (n=30) were divided into subgroups for different firing cycles (2, 3, or 5).
  • Surface roughness, gloss, flexural strength, and Vickers hardness were measured using two-way ANOVA and Tukey’s test for analysis.
  • Surface roughness decreased significantly at 5 firing cycles for Suprinity (p<0.05).
  • Flexural strength increased significantly for Suprinity and decreased significantly for IPS E.max CAD at 5 cycles (p<0.05).
  • No significant interaction for gloss; both ceramics had higher gloss at 5 cycles (p>0.05).

Cite This Study

Consani et al. (2026) studied this question.

synapsesocial.com/papers/6a44af635cd2549c8bc44565https://doi.org/10.26650/eor.20261631872
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Also Consider

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  1. 1Effect of repeated firing on the topographical, optical, and mechanical properties of fully crystallized lithium silicate-based ceramics2024 · 14 citations
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