Journals / 7tepe Klinik / 2020 / Cilt: 16 - Sayı: 2

The effect of surface preparation methods on the surface roughness of resin based, polymer infiltrated ceramic and feldspatic CAD/CAM materials

Farklı yüzey hazırlık işlemlerinin rezin bazlı, polimer infiltre seramik ve feldspatik cad/cam materyallerinin yüzey pürüzlülüğüne etkisi

Pages
129–136
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Sandblasting and acid etching resulted in increased surface roughness of resin based, polymer inf iltrated and feldspatic CAD/CAM materials and its effects differs from the material structure.

📌 3 Key Takeaways

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Objective & Hypothesis:Aim: The aim of this study was to determine the effect of surface preparation methods on the surface roughness of resin based, polymer infiltrated ceramic and feldspatic CAD/CAM materials.
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Key Findings & Data:Materials and Method: Two types of resin based CAD/CAM materials (Lava; 3MESPE and Cerasmart; GC), polymer infiltrated ceramic (Enamic; Vita), and feldspatic ceramic (Cerec; Sirona, Dentsply) blocks were cut into slabs of 2 mm thickness and 30 specimens were obtained from each CAD/CAM blocks.
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Conclusion & Impact:Sandblasting and acid etching resulted in increased surface roughness of resin based, polymer inf iltrated and feldspatic CAD/CAM materials and its effects differs from the material structure.
🔬Design:Research Article
📍Scope:30 specimens
⚙️Variables:Domain Parameters

Abstract

Aim: The aim of this study was to determine the effect of surface preparation methods on the surface roughness of resin based, polymer infiltrated ceramic and feldspatic CAD/CAM materials. Materials and Method: Two types of resin based CAD/CAM materials (Lava; 3MESPE and Cerasmart; GC), polymer infiltrated ceramic (Enamic; Vita), and feldspatic ceramic (Cerec; Sirona, Dentsply) blocks were cut into slabs of 2 mm thickness and 30 specimens were obtained from each CAD/CAM blocks. While resin based blocks were divided into three subgroups as untreated, control (sandblasting (SB)), combined (sandblasting+ hydrofluoric acid (SB+HF)); ceramic groups were divided into three subgroups as untreated, control (HF etch), combined ((SB+HF)). In untreated groups, specimens were polished up to 1200 grit SiC paper while sandblasted with 50 µm aluminum oxide in SB groups. In SB+HF groups, the specimens were sandblasted and etched. Surface roughness (Ra) were measured using digital profilometer (Marh, Perthometer M2). Statistical analysis was performed using One-way ANOVA and post hoc Tukey test. Results: The lowest Ra value was obtained with untreated Cerec blocks while Enamic resulted in significantly highest Ra value (p<0,01). Surface preparation methods significantly increased the surface roughness of CAD/CAM materials (p<0,01). Following HF etch, Enamic exhibited significantly higher Ra values than Cerec. After sandblasting, Cerasmart and Lava showed significantly similar Ra values. Following combined preparation methods, Cerasmart showed the highest Ra values. Conclusions: Cerec CAD/CAM blocks exhibited the smoothest surface. Sandblasting and acid etching resulted in increased surface roughness of resin based, polymer inf iltrated and feldspatic CAD/CAM materials and its effects differs from the material structure.

Özet

Amaç: Bu çalışmanın amacı farklı yüzey hazırlama işlemlerinin rezin bazlı, polimer infiltre seramik ve feldspatik bazlı CAD/ CAM materyallerinin yüzey pürüzlülüğüne etkisini incelemektir. Gereç ve Yöntem: Rezin bazlı (Lava; 3M ESPE ve Cerasmart; GC), polimer infiltre seramik (Enamic; Vita) ve feldspatik seramik (Cerec; Sirona Dentsply) CAD/CAM bloklar 2 mm kalınlıkta örneklere ayrıldı ve her bir CAD/CAM materyalinden 30’ar adet örnek elde edildi. Rezin bazlı CAD/CAM blokları kendi içinde cila, kontrol (kumlama (SB)), kombine uygulama (kumlama+hidroflorik asit (SB+HF)); seramik bazlı CAD/CAM blokları ise cila, kontrol (hidroflorik asit (HF)), kombine uygulama (SB+HF) olmak üzere 3’er alt gruba ayrıldı (n=10). Cila grubunda örnekler 1200 gritlik SiC zımparaya kadar cilalandı. Kumlama grubunda örnekler 50 µm alüminyum oksit ile kumlanırken, HF asit grubunda örnekler %5’lik HF asit (Ultradent) ile 60 sn asitlendi. Kombine gruplarda örnekler kumlama işlemini takiben asitlendi. Tüm örneklerin yüzey pürüzlülük değerleri (Ra) profilometre cihazı (Perthometer M1 Mahr) kullanılarak ölçüldü. Sonuçlar one way ANOVA ve post hoc Tukey testleri ile değerlendirildi (p<0.05). Bulgular: Cilalanmış Cerec en düşük yüzey pürüzlülük değerlerini verirken, Enamic istatistiksel olarak en yüksek Ra değeri göstermiştir (p<0,01). Yüzey işlemleri bütün materyallerde yüzey pürüzlülükleri istatistiksel olarak anlamlı düzeyde artmıştır (p<0,01). HF asit uygulaması sonrası Enamic, Cerec grubuna kıyasla istatistiksel olarak daha yüksek Ra değeri gösterirken (p<0,01), kumlama sonrası Cerasmart ve Lava grupları arasında fark gözlenmemiştir (p=0,446). Kombine uygulamalar sonucunda en yüksek yüzey pürüzlülüğü Cerasmart’ta izlenmiştir. Sonuçlar: Cerec materyalinin en az pürüzlülük değerine sahip CAD/CAM blok olduğu gözlenmiştir. Yüzey işlemleri rezin, polimer infiltre ve feldspatik bazlı CAD/CAM materyallerinin yüzey pürüzlülüklerini arttırmış ve bu etki materyalin yapısına göre değişiklik göstermiştir.

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Cite This Article

DİKİCİ, B., BAŞARAN, E. T., CAN, E. (2020). The effect of surface preparation methods on the surface roughness of resin based, polymer infiltrated ceramic and feldspatic CAD/CAM materials. 7tepe Klinik, Cilt: 16 - Sayı: 2, 129–136. https://ajindex.com/articles/142539

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