Investigation of the Bond Stregth Between Resin Cement and Current CAD/CAM Restorative Materials Applied With Different Surface Treatments

Year 2023, , 1134 - 1143, 17.03.2023

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https://doi.org/10.33715/inonusaglik.1210994

Abstract

In dentistry, the fact that the restorations applied to the patient remain in the patient's mouth for a long time without falling is among the important criteria for the success of the restoration. For this reason, the aim of our study is to examine the relationship between the resin cement and the different surface treatments applied to the current CAD/CAM blocks, which can be polished by the physician without the need for the firing process. 15 samples (n=15) of 2 mm thickness were produced from Vita Enamic (V) Lava Ultimate (L) and PEEK (P) blocks with surface treatments of control (VC, LC, PC), HF acid (VHF, LHF, PHF), 50 µm Al2O3 powder (VAl, LAl, PAl), 30 µm Silica coated Al2O3 powder (VSi, LSi, PSi). The resin cement applied samples were aged by thermal cycling. Afterwards, shear bond strength test was applied to the samples with an universal test device. Bond strength results were evaluated in the statistical program. When the findings were examined, it was seen that all applied surface treatments increased the bonding values.The highest bond strength values in all groups were observed in the silica coated Al2O3 powder (VSi 17.2750±1.89167; LSi 18.0815±1.66664; PSi 14.8151±1.57730). The bond strength values of HF acid applied to Lava Ultimate and Vita Enamic groups were found to be statistically higher than the HF acid group applied to PEEK (p˂0.05). As a result of our study, it has been observed that all surface treatments applied to CAD/CAM blocks increase the bond strength values, and the most successful bond strength value was in the sandblasting surface treatment with silica coated Al2O3 powder.

Keywords

Bond strength, CAD/CAM block, Fixed prostheses, Resin cement.

FARKLI YÜZEY İŞLEMLERİ UYGULANAN GÜNCEL CAD/CAM RESTORATİF MATERYALLERİ İLE REZİN SİMAN ARASINDAKİ BAĞLANMA DAYANIMININ İNCELENMESİ

Abstract

Diş hekimliğinde hastaya uygulanan restorasyonların hasta ağzında uzun süre desimante olmadan kalması restorasyonun başarısı açısından önemli kriterler arasında yer almaktadır. Bu sebeple çalışmamızın amacı fırınlama işlemine gerek kalmadan hekim tarafından da masa başı parlatılabilen güncel CAD/CAM bloklarına uygulanan farklı yüzey işlemlerinin rezin siman ile olan bağlantısının incelenmesidir. Vita Enamic (V), Lava Ultimate (L) ve PEEK(P) bloklardan, kontrol (VC, LC, PC), HF asit (VHF, LHF, PHF), 50 µm Al2O3 tozu (VAl, Lal, PAl), 30 µm Silika kaplı Al2O3 tozu (VSi, LSi, PSi) yüzey işlemleri ile 2 mm kalınlığında 15’er adet (n=15) numune üretildi. Rezin siman uygulanan örneklere termal siklus ile yaşlandırma işlemi uygulandı. Sonrasında örneklere üniversal test cihazı ile makaslama bağlanma dayanımı testi uygulandı. Bağlanma kuvveti sonuçları istatistik programında değerlendirildi. Elde edilen bulgular incelendiği zaman uygulanan tüm yüzey işlemlerinin bağlanma değerlerini arttırdığı görülmüştür.Tüm gruplardaki en yüksek bağlanma değerlerinin silika kaplı Al2O3 tozu uygulanan numunelerde olduğu (VSi 17.2750±1.89167; LSi 18.0815±1.66664; PSi 14.8151±1.57730) görüldü. Lava Ultimate ve Vita Emamic gruplarına uygulanan HF asit’in bağlanma değerlerinin istatiksel olarak PEEK’e uygulanan HF asit grubundan yüksek olduğu görüldü (p˂0.05). Çalışmanın sonucunda CAD/CAM bloklarına uygulanan tüm yüzey işlemlerinin bağlantı değerlerini arttırdığı, en başarılı bağlantı değerinin silika kaplı Al2O3 tozu ile kumlama yüzey işleminde olduğu gözlemlenmiştir.

Keywords

Bağlanma dayanımı, CAD/CAM blok, Rezin siman, Sabit protezler.

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