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Dergiler / Meandros Medical And Dental Journal / 2026 / Volume: 19 Issue: 2

Effects of Polishing on Color Stability and Surface Roughness of CAD-CAM Ceramics

Işıl Sarıkaya(GAZIOSMANPASA UNIVERSITY)
Yeliz Hayran(GAZIOSMANPASA UNIVERSITY)
Sayfa
—
Yayın Tarihi
2018-08-31
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⚡ TL;DR(1 Cümlede Hızlı Çıkarım)

Abrasive stone may be used instead of sof-lex for polishing of LDC specimens.

📌 3 Maddede Bu Makale

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Amaç & Hipotez:Objective: The purpose of this study is to determine the effects of polishing techniques on color stability and surface roughness of lithium disilicate glass ceramic (LDC) and zirconia-reinforced lithium silicate ceramic (ZLS).
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Temel Bulgular & Veri:Color differences (∆E*) was evaluated by spectrophotometer, initial and after 48 hours of immersion in various solutions (n=10).
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Sonuç & Katkı:Abrasive stone may be used instead of sof-lex for polishing of LDC specimens.
🔬Tür:Research Article
📍Kapsam:Genişletilmiş Akademik Örneklem
⚙️Değişkenler:Color stability · surface roughness · polishing

Abstract

Objective: The purpose of this study is to determine the effects of polishing techniques on color stability and surface roughness of lithium disilicate glass ceramic (LDC) and zirconia-reinforced lithium silicate ceramic (ZLS). Materials and Methods: Two hundred forty disks of LDC and ZLS were prepared. Glazing with the ceramics’ own glazing procedure, a series of sof-lex polishing discs and abrasive stones were used as the different polishing groups. Color differences (∆E*) was evaluated by spectrophotometer, initial and after 48 hours of immersion in various solutions (n=10). Surface roughness (Ra) was evaluated by profilometer (n=10). Data were analyzed by Two-Way ANOVA, and Mann-Whitney U test. Results: No significant difference in ΔE* values was observed between the sof-lex groups and abrasive stone groups (p>0.05) on LDC. ΔE* values were significantly different with glazed, and abrasive stone groups than sof-lex groups (p 0.05). The highest Ra value in ZLS was observed in group sof-lex. No significant difference was observed among group abrasive stone and sof-lex in LDC specimens (p>0.05). Conclusion: The amount of staining in the polished ZLS samples was more than the LDC samples. The coffee was determined as the most colorant solution. Abrasive stone may be used instead of sof-lex for polishing of LDC specimens.

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Bu Makaleye Atıf Yap

Sarıkaya, I., Hayran, Y. (2018). Effects of Polishing on Color Stability and Surface Roughness of CAD-CAM Ceramics. Meandros Medical And Dental Journal, Volume: 19 Issue: 2. https://doi.org/10.4274/meandros.30592

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