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Journals / Türk Diş Hekimliği Araştırma Dergisi / 2026 / Cilt: 3 Sayı: 1

The Effect of Different Repair Systems on the Repair Bond Strength of CAD/CAM Restorations

CAD/CAM Restorasyonların Tamirinde Uygulanan Farklı Yöntemlerin Bağlanma Dayanımına Etkisi

Tamer Yıldırım(ÖZEL KLİNİK)0009-0000-4071-7426
Nihan Gonulol(ONDOKUZ MAYIS ÜNİVERSİTESİ)0000-0002-4149-6351
Pages
294–307
Publication Date
2024-05-10
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

The G-aenial Universal Flo seems to be a succesful repairing material for the repair of CAD/CAM materials.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:Aim: The aim of our study is to compare the effectiveness of different methods used in the repair of CAD / CAM restorations.
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Key Findings & Data:Block HC (Shofu), Ceresmart (GC) and Cerec Block (DentsplySirona) blocks were cut in 5 × 5 × 5 mm and a total of 300 samples were obtained.
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Conclusion & Impact:The G-aenial Universal Flo seems to be a succesful repairing material for the repair of CAD/CAM materials.
🔬Design:Klinik Araştırma
📍Scope:300 samples
⚙️Variables:CAD/CAM restorasyonlar · mikro makaslama bağlantı dayanımı · restorasyon tamiri

Abstract

Aim: The aim of our study is to compare the effectiveness of different methods used in the repair of CAD / CAM restorations. Material and Method: Three different types of CAD / CAM blocks were used for this study. Block HC (Shofu), Ceresmart (GC) and Cerec Block (DentsplySirona) blocks were cut in 5 × 5 × 5 mm and a total of 300 samples were obtained. The samples were then subjected to 5000 cycles of thermal cycling between 5 and 55 ° C for aging. Five different surface conditioning methods were applied to the samples before bonding to the composite resin; Group CT: Clearfil Repair Kit, Group UT: Ultradent Repair Kit, Group EF: Diamond Bur + GC Repair Kit, Group EL: Er-YAG Laser + GC Repair Kit, Group KC: Micro etcher intra-oral sand blasting device + GC Repair Kit. The groups were divided into 2 subgroups and bonded with two different composite resins; G-aenial Hybrid Composite or G-aenial Universal Flo Composite. Plastic molds (2 mm high x 4 mm diameter) were inserted on top of CAD / CAM block samples and polymerized with a LED light curing unit. The samples were then subjected to shear testing and the failure modes were examined under a 20x magnification in a stereomicroscope to classify them as adhesive, cohesive and mixed fractures. Results: The shear bond values of Cerec bloks were significantly higher than the other blocks (p<0.05). When surface treatments were compared, Group KC showed significantly higher bond strength values than all groups except Group UT. Compared to the repair materials, G-aenial Universal Flo showed significantly higher bond strength than G-aenial hybrid composite. Conclusion: The sandblasting system can be recommended for the repair of all type of CAD/CAM bloks tested in this study. The G-aenial Universal Flo seems to be a succesful repairing material for the repair of CAD/CAM materials.

Özet

Amaç: Çalışmamızın amacı CAD/CAM restorasyonların tamirinde kullanılan farklı yöntemlerin etkinliğini karşılaştırmalı olarak incelemektir. Gereç ve Yöntem: Bu çalışma için 3 farklı tipte, A2 renginde CAD/CAM blok kullanılmıştır. Block HC (Shofu), Cerasmart (GC) ve Cerec Blok (DentsplySirona) bloklar 5×5×5 mm olacak şekilde kesilmiş ve toplamda 300 adet örnek elde edilmiştir. Ardından örnekler 5 ile 55°C arasında 5000 defa termal siklusa tabi tutularak yaşlandırma işlemi yapılmıştır. Daha sonra örnekler, kompozit rezin bağlanacak yüzeylerine uygulanacak işlemlere göre 5 alt gruba ayrılmıştır; Grup CT=Clearfil Tamir Kiti, Grup UT=Ultradent Tamir Kiti, Grup EF= Elmas Frez ile pürüzlendirme + GC Tamir Kiti, Grup EL=Er-YAG Lazer ile pürüzlendirme + GC Tamir Kiti, Grup KC=Micro etcher ağız içi kumlama cihazı ile pürüzlendirme + GC Tamir Kiti. Gruplar tekrar 2’şer alt gruba ayrılarak, CAD/CAM blok örneklerinin üzerine 2 mm yüksekliğinde ve 4 mm çapında plastik kalıpların içine G-aenial Hibrit Kompozit veya G-aenial Universal Flo Kompozit kondanse edilip LED ışık cihazı ile polimerize edilmiştir. Ardından örnekler makaslama testine tabi tutulup, kompozit ile CAD/CAM materyal ara yüzündeki kopmalar adeziv, koheziv ve mixed kırılmalar olmak üzere sınıflandırılmak için 20x büyütmeli stereomikroskop altında incelenmiştir. Bulgular: Grup KC, Grup UT dışında tüm gruplardan anlamlı olarak daha yüksek bağlanma dayanım değerleri göstermiştir. G-aenial Universal Flo, G-aenial hibrit kompozitten anlamlı olarak daha yüksek bağlantı dayanımı göstermiştir. Sonuç: Yüzey işlemleri arasında kumlama ile pürüzlendirme en yüksek bağlantı dayanım değerlerini göstermişir. G-aenial Universal Flo, CAD/CAM restorasyonların tamirinde başarıyla kullanılabilir.

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Cite This Article

Yıldırım, T., Gonulol, N. (2024). The Effect of Different Repair Systems on the Repair Bond Strength of CAD/CAM Restorations. Türk Diş Hekimliği Araştırma Dergisi, Cilt: 3 Sayı: 1, 294–307. https://doi.org/10.58711/turkishjdentres.vi.1435851

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