Comparison of Mechanical Properties of Aged All-Ceramic Materials

Year 2023, , 457 - 461, 21.08.2023

Tugba Temizci , Ali Riza Tuncdemir

https://doi.org/10.15311/selcukdentj.1202624

Abstract

Background: Our research aimed to compare the biaxial flexural strength of glass ceramic and two different monolithic zirconias after aging, examine the fracture surfaces with scanning electron microscopy (SEM) and perform elemental analysis with energy dispersive spectroscopy (EDS).
Methods: Two types of monolithic CAD/CAM materials (Katana UTML and Prettau Anterior) and a lithium disilicate material (IPS emax Press) were selected for this study. All samples were aged with a thermal cycle of 10000 cycles. The biaxial flexural strength of the disc specimens was determined using the three-ball piston test and a universal testing machine. Biaxial flexural strengths were compared for each group (n = 10). All fractured samples were examined by SEM and elemental analyzes were performed with EDS. Data were analyzed by 1-way ANOVA and Tukey post hoc (p<0.05).
Results: Prettau Anterior showed a statistically significant difference between the other groups (p<0.05). Following Prettau Anterior (1141.81 MPa), IPS Emax Press (278.86 MPa) and Katana UTML (216.14 MPa) showed biaxial flexural strength, respectively.
Conclusion: Compared to the other materials evaluated, Prettau Anterior had much higher biaxial flexural strength. Katana UTML and IPS emax Press show similar strength over the long term. It is seen that the chemical structure of the materials has an effect on the mechanical capacity.
KEYWORDS: Biaxial Flexural Strength, Lithium Disilicate Glass-Ceramic, Monolithic Zirconia

Keywords

Çift Eksenli Eğilme Dayanımı, Lityum Disilikat Cam-Seramik, Monolitik Zirkonya

Supporting Institution

Necmettin Erbakan University Scientific Research Projects Coordinatorship

Project Number

161924002

Thanks

The research was financially supported. We would like to thank Necmettin Erbakan University Scientific Research Projects Coordinatorship for their support of this study with project number 161924002.

Yaşlandırılmış Tam Seramik Materyallerin Mekanik Özelliklerinin Karşılaştırılması

Abstract

Amaç: Araştırmamız, cam seramik ve iki farklı monolitik zirkonyanın yaşlanma sonrası çift eksenli eğilme dayanımını karşılaştırmayı, taramalı elektron mikroskobu (SEM) ile kırık yüzeylerini incelemeyi ve enerji dağılımlı spektroskopi (EDS) ile element analizi yapmayı amaçladı.
Gereç ve Yöntemler: Bu çalışma için iki tip monolitik CAD/CAM materyali (Katana UTML ve Prettau Anterior) ve bir lityum disilikat materyali (IPS emax Press) seçilmiştir. Tüm örnekler, 10000 döngülük termal siklus ile yaşlandırıldı. Disk numunelerinin biaksiyal eğilme dayanımı, üç bilyeli piston testi ve evrensel bir test makinesi kullanılarak belirlendi. Her grup için (n = 10), çift eksenli eğilme dayanımları karşılaştırıldı. Tüm kırık numuneler SEM ile incelendi ve EDS ile element analizleri yapıldı. Veriler 1-way ANOVA ve Tukey post hoc ile analiz edildi (p<0.05).
Bulgular: Prettau Anterior diğer gruplar arasında istatistiksel olarak anlamlı fark gösterdi (p<0.05). Prettau Anterioru (1141.81) takiben sırasıyla IPS Emax Press (278.86) ve Katana UTML (216.14) çift eksenli eğilme dayanımı gösterdi.
Sonuç: Değerlendirilen diğer materyallerle karşılaştırıldığında Prettau Anterior çok daha yüksek çift eksenli eğilme dayanımına sahipti. Katana UTML ve IPS emax Press, uzun dönemde benzer dayanım göstermektedir. Materyallerin kimyasal yapısının, mekanik kapasitesine etkisi olduğu görülmektedir.
ANAHTAR KELİMELER: Çift Eksenli Eğilme Dayanımı, Lityum Disilikat Cam-Seramik, Monolitik Zirkonya

Keywords

Çift Eksenli Eğilme Dayanımı, Lityum Disilikat Cam-Seramik, Monolitik Zirkonya

Project Number

161924002

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