Monolitik Zirkonyaların Yüzey İşlemleri ve Termal Siklus Sonrasında Mikrosızıntılarının Veri Analizi Yazılımıyla Karşılaştırılması

Year 2024, Issue: 3, 97 - 107, 15.10.2024

Emel Arslan , Halil Nuri Özdemir , Hatice Sevmez

https://doi.org/10.51122/neudentj.2024.120

Abstract

Amaç: Bu çalışmanın amacı; monolitik zirkonyalara uygulanan farklı yüzey işlemleri sonrasında mikrosızıntılarını bilgisayar yazılımıyla incelemektir.
Gereç ve Yöntemler: Çalışmada kullanmak amacıyla, üç farklı monolitik zirkonya ML (Multilayered), STML (Super Translusent Multilayered), UTML (Ultra Translusent Multilayered) 15 mm çapında 1,2 mm kalınlığında disk şeklinde hazırlandı. Hazırlanan örneklere gruplarına göre dört farklı yüzey işlemi (Hidroflorik asit, Tribokimyasal silika kaplama, Hidroflorik asit uygulama+ Tribokimyasal silika kaplama, Frez ile aşındırma + Tribokimyasal silika kaplama + Hidroflorik asit uygulaması) uygulandı (n=8). Örnekler, Grup C: Kontrol grubu, Grup HF: Hidroflorik asit uygulama, Grup T: Tribokimyasal silika kaplama, Grup HF+T: Hidroflorik asit uygulama+ Tribokimyasal silika kaplama, Grup F+HF+T: Frez ile aşındırma, + Tribokimyasal silika kaplama + Hidroflorik asit uygulaması şeklinde 5 gruba ayrıldı, daha sonra tüm örneklere adeziv sistem uygulanıp rezin siman ile tamir yapıldı. Örnekler bir yıllık yaşlandırma amacıyla termal-siklusa tabi tutulup daha sonrasında mikrosızıntıyı değerlendirmek amacıyla bazik fuksin solüsyonuna daldırıldı. Micro-cut cihazı ile ayrılan örnekler stereomikroskop altında değerlendirildi. Alınan görüntülerin ölçüleri Python programında ölçülerek zirkonya örneklerin geçirgenliği ve yüzey işlemleri karşılaştırıldı. İstatiksel analiz iki yönlü ANOVA ile yapıldı (p<0,05).
Bulgular: Örneklerden en düşük mikrosızıntıyı UTML F+HF+T gösterirken (12,15 ± 1,69), en yüksek mikrosızıntı ML C (73,93 ± 1,59) görüldü. Zirkonya örnekler arasında en yüksek adaptasyon UTML zirkonya örneklerde (37,59 ± 23,58) elde edildi.
Sonuç: Elde edilen veriler doğrultusunda frezleme+ tribokimyasal silika kaplama+asit uygulama yüzey işlemleri, monolitik zirkonya restorasyonların tamiri açısından önerilmektedir. Kullanılan monolitik zirkonyanın sinterleme sıcaklığı ve içeriğindeki İtriyum Oksit (Y2O3) tamir sonrası mikrosızıntıda etkili faktördür.

Keywords

Monolitik Zirkonyum, Mikrosızıntı, Bilgisayar Yazılımı, Tamir, Termal Siklus.

Comparison of Microleakage of Monolithic Zirconia after Surface Treatment and Thermal Cycles Using Data Analysis Software

Abstract

Objective: The aim of this study was to investigate the microleakage of monolithic zirconia after different surface treatments using computer software.
Materials and Methods: Three different monolithic zirconia ML (Multilayered), STML (Super Translucent Multilayered), UTML (Ultra Translucent Multilayered) were prepared as discs with a diameter of 15 mm and a thickness of 1.2 mm. Four different surface treatments (Hydrofluoric acid, Tribochemical silica coating, Hydrofluoric acid application + Tribochemical silica coating, Milling + Tribochemical silica coating + Hydrofluoric acid application) were applied to the prepared samples according to their groups (n=8). Samples, Group C: Control group, Group HF: Hydrofluoric acid application, Group T: Tribochemical silica coating, Group HF+T: Hydrofluoric acid application + Tribochemical silica coating, Group F+HF+T: Milling + Tribochemical silica coating + Hydrofluoric acid application, then adhesive system was applied to all specimens and repaired with resin cement. The specimens were thermocycled for one year aging and then immersed in basic fuchsin solution to evaluate microleakage. The specimens were separated with a micro-cut device and evaluated under a stereomicroscope. The dimensions of the images were measured in Python program and the permeability and surface treatments of the zirconia samples were compared. Statistical analysis was performed by two-way ANOVA (p<0.05).
Results: UTML F+HF+T showed the lowest microleakage (12.15 ± 1.69), while ML C showed the highest microleakage (73.93 ± 1.59). Among the zirconia specimens, the highest adaptation was obtained in the UTML zirconia (37.59 ± 23.58).
Conclusion: According to the data obtained, milling + tribochemical silica coating + acid application surface treatments are recommended for the repair of monolithic zirconia restorations. The sintering temperature and Yttrium Oxide (Y2O3) content of the monolithic zirconia used are effective factors in microleakage after repair.

Keywords

Monolithic Zirconia, Microleakage, Computer Software, Repair

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