Comparative in vitro evaluation of surface roughness following different polishing protocols

Abstract

Aims: This study aimed to evaluate the comparative effectiveness of various polishing protocols, including two diamond-particle polishing pastes with different compositions, on the surface roughness of single-shade, bulk-fill single-shade, and nanofill composite resins. Methods: Three composite resins (Charisma Topaz One (Kulzer, Germany), Charisma Bulk Flow One (Kulzer, Germany), and Estelite Asteria (Tokuyama, Japan)) and three different polishing protocols (Super-Snap (Shofu, Japan), Ultradent Diamond Polish (Ultradent, USA), and Lucida Polishing Paste (Diashine, USA)) were applied in this study. Thirty disc-shaped samples from each composite resin were prepared and randomly divided into three groups (n=10). A profilometer was used to measure surface roughness (Ra), and surface images were obtained by SEM. Generalized linear models were used to compare the surface roughness values among the test groups, and Bonferroni test was applied for multiple comparisons. The significance level was set at p<0.05. Results: The lowest and highest surface roughness values were detected in the Charisma Bulk Flow One-Super-Snap group (0.36±0.11) and the Charisma Topaz One-Diamond group, respectively (0.72±0.27). The total surface roughness values for the polishing protocols, from lowest to highest, were as follows: Super-Snap0.05). Conclusion: This study demonstrated that additional polishing with polishing pastes did not consistently provide superior surface roughness for the tested composite resins compared to multi-step disc systems. The bulk-fill single-shade composite resin generally exhibited lower surface roughness than the nanofill and the single-shade composite resins.

Keywords

• Surface roughness
• polishing
• polishing paste
• SEM
• profilometer

Farklı polisaj protokollerinin yüzey pürüzlülüğünün in vitro analizi

Abstract

Amaç: Bu çalışmanın amacı, farklı polisaj protokollerinin çeşitli kompozit rezinlerin yüzey pürüzlülüğüne etkisini incelemektir. Yöntem: Bu çalışmada üç kompozit rezin (Charisma Topaz One (Kulzer, Almanya), Charisma Bulk Flow One (Kulzer, Almanya) ve Estelite Asteria (Tokuyama, Japonya)) ve üç farklı polisaj protokolü (Super-Snap (Shofu, Japonya), Ultradent Diamond Polish (Ultradent, ABD) ve Lucida Polishing Paste (Diashine, ABD)) kullanılmıştır. Her kompozit rezin için otuz adet disk şeklinde örnek hazırlanmış ve rastgele üç gruba ayrılmıştır (n=10). Yüzey pürüzlülüğü (Ra) ölçümleri için bir profilometre kullanılmıştır ve yüzey görüntüleri SEM ile elde edilmiştir. Test grupları arasındaki yüzey pürüzlülük değerlerini karşılaştırmak için genelleştirilmiş doğrusal modeller kullanıldı ve çoklu karşılaştırmalar için Bonferroni testi uygulanmıştır. Anlamlılık düzeyi p<0,05 olarak belirlenmiştir. Bulgular: En düşük ve en yüksek yüzey pürüzlülük değerleri sırasıyla Charisma Bulk flow One-Super-Snap grubunda (0,36±0,11) ve Charisma Topaz One-Diamond grubunda (0,72 ± 0,27) tespit edilmiştir. Parlatma protokollerinin toplam yüzey pürüzlülük değerleri en düşükten en yükseğe doğru Super-Snap0,05). Sonuçlar: Charisma Topaz One-Diamond grubu hariç, test gruplarının yüzey pürüzlülük değerleri arasında anlamlı bir fark bulunmamasına rağmen, polisaj patları daha düşük yüzey pürüzlülük değerleri sağlamamıştır. Charisma Bulk Flow One, Estelite Asteria ve Charisma Topaz One'a kıyasla genel olarak daha düşük yüzey pürüzlülüğü göstermiştir.

Keywords

• Yüzey pürüzlülüğü
• polisaj
• polisaj patı
• SEM
• profilometre

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