Effects of Surface Finishing Methods, Zirconia Brands, and Bleaching Techniques on Color Change and Translucency of Monolithic Zirconia Restorations: A Comparative Study

Year 2025, Volume: 12 Issue: 1, 71 - 79, 21.04.2025

Emel Arslan , Kübra Değirmenci

https://doi.org/10.15311/selcukdentj.1489127

Abstract

Background: This study aimed to investigate the effects of different surface finishing methods (glaze and polishing), various zirconia brands (multilayer, ultra translucent, and super translucent), and different bleaching methods (office and home bleaching) on the color change, whiteness change, and translucency parameters of different monolithic zirconia.
Methods: The researchers prepared 180 samples using three types of monolithic zirconia blocks with different translucent properties. The samples were divided into groups based on surface treatments (glaze and polishing) and bleaching methods (office and home bleaching). Color measurements were taken before and after the surface treatments and bleaching procedures using a spectrophotometer. The color change (ΔE00), whiteness change (ΔWI), and translucency parameters were calculated based on the measurements.
Results: The statistical analysis revealed that zirconia brands, surface finishing methods, and bleaching procedures significantly affected the color change, whiteness change, and translucency parameters of the monolithic zirconia samples. In terms of bleaching methods, the ∆E00 and ∆WI values of office bleaching were significantly higher than home bleaching in the MLG group (p<0.05). However, there was no significant difference between office and home bleaching in other zirconia groups (p>0.05).
Conclusion: The results of the study indicate that zirconia brands, surface finishing methods, and bleaching procedures have an impact on the color change, whiteness change, and translucency parameters of monolithic zirconia restorations. The study suggests that careful consideration should be given to the selection of zirconia brands, surface treatments, and bleaching methods to achieve optimal aesthetic outcomes in prosthetic restorations.

Keywords

Zirconia brands, Finishing;, Bleaching Agents, Color change

Yüzey İşlem Yöntemleri, Zirkonyum Tipleri ve Beyazlatma Tekniklerinin Monolitik Zirkonyum Restorasyonların Renk Değişimi ve Translusensisi Üzerine Etkileri: Karşılaştırmalı Bir Çalışma

Abstract

Amaç: Bu çalışmanın amacı, farklı yüzey bitirme yöntemlerinin (glaze ve polisaj), çeşitli zirkonyum markalarının (çok katmanlı, ultra translusent ve süper translusent) ve farklı beyazlatma ajanlarının (ofis ve ev tipi ağartma) farklı monolitik zirkonyumların renk değişimi, beyazlık değişimi ve translusensi parametreleri üzerindeki etkilerini araştırmaktır.
Gereç ve Yöntemler: Araştırmacılar, farklı translusent özelliklere sahip üç tip monolitik zirkonya blok kullanarak 180 örnek hazırladı. Örnekler yüzey işlemlerine (glaze ve parlatma) ve beyazlatma yöntemlerine (ofis ve ev tipi ağartma) göre gruplara ayrılmıştır. Renk ölçümleri, yüzey işlemleri ve beyazlatma prosedürlerinden önce ve sonra spektrofotometre kullanılarak alınmıştır. Ölçümlere dayanarak renk değişimi (ΔE00), beyazlık değişimi (ΔWI) ve translusensi parametreleri hesaplanmıştır.
Sonuçlar: İstatistiksel analiz, zirkonyum markalarının, yüzey bitirme yöntemlerinin ve beyazlatma prosedürlerinin monolitik zirkonyum örneklerinin renk değişimi, beyazlık değişimi ve yarı saydamlık parametrelerini önemli ölçüde etkilediğini ortaya koymuştur. Beyazlatma yöntemleri açısından, MLG grubunda ofis ağartmasının ∆E00 ve ∆WI değerleri ev beyazlatma ajanına göre anlamlı derecede yüksektir (p<0.05). Ancak, diğer zirkonyum gruplarında ofis ve ev tipi beyazlatma arasında anlamlı bir fark yoktu (p>0.05).
Sonuç: Çalışmanın sonuçları, zirkonyum markalarının, yüzey bitirme yöntemlerinin ve beyazlatma prosedürlerinin monolitik zirkonyum restorasyonların renk değişimi, beyazlık değişimi ve translusensi parametreleri üzerinde etkili olduğunu göstermektedir. Çalışma, protetik restorasyonlarda optimum estetik sonuçlar elde etmek için zirkonyum markalarının, yüzey işlemlerinin ve beyazlatma yöntemlerinin seçimine dikkat edilmesi gerektiğini önermektedir.

Keywords

Zirkonyum, Beyazlatıcı Ajan, Bitirme Tekniği, Renk Değişimi

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