Journals / Selcuk Dental Journal / 2017 / Cilt: 4 - Sayı: 2

Effect of thermal and mechanical load cycling on dentin bond strength of a self-etch resin luting cement

Termal ve mekanik yükleme siklusunun self–etch rezin yapıştırma simanının dentine bağlanma dayanımı üzerine etkisi

Pages
36–43
Publication Date
2022-10-18
DOI
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Results: One-way ANOVA revealed that there were significant differences among the groups (p

📌 3 Key Takeaways

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Objective & Hypothesis:Background: The aim of this study is to evaluate the effects of cyclic thermal and mechanical loads on dentin bond strength of a self-etch resin luting cement under in vitro conditions.
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Key Findings & Data:Methods: Inlay cavities were prepared on 18 caries-free human mandibular third molars.
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Conclusion & Impact:Results: One-way ANOVA revealed that there were significant differences among the groups (p
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Background: The aim of this study is to evaluate the effects of cyclic thermal and mechanical loads on dentin bond strength of a self-etch resin luting cement under in vitro conditions. Methods: Inlay cavities were prepared on 18 caries-free human mandibular third molars. Restorations were fabricated by using feldspathic porcelain (Vita VM9). Bonding was achieved by using a dual-cure, self-etch resin luting cement (Clearfil Esthetic Cement). Teeth were then randomly divided into 3 groups: Group I: Control group (no thermal or mechanical cycling). Group II: Thermal cycling (thermocycling for 5.000 cycles). Group III: Mechanical load cycling (1.200.000 cycles). Two Ishape sectioned longitudinal cuts were prepared from each tooth (n:12). Total of thirty-six specimens were subjected to tensile forces at a crosshead speed of 1 mm/min, and the maximum load at fracture was recorded. Fracture sites were observed with a stereomicroscope (Olympus, SZ-PT) to identify the failure mode. One tooth from each group was prepared for SEM analysis and interfaces were observed under SEM (435 VP; Leo SEM Products). Results: One-way ANOVA revealed that there were significant differences among the groups (p

Özet

Termal ve mekanik yükleme siklusunun self-etch rezin yapıştırma simanının dentine bağlanma dayanımı üzerine etkisi Amaç: Bu çalışmanın amacı, termal ve mekanik yükleme döngülerinin, bir self - etch rezin yapıştırma simanının dentine bağlanma dayanımını in vitro şartlar altında değerlendirmektir. Gereç ve Yöntemler: Çürüksüz, 18 adet mandibular üçüncü molar diş üzerinde inlay kaviteleri hazırlandı. Restorasyonlar, feldspatik porselen kullanılarak hazırlandı (Vita VM9). Dentine bağlantı bir dual- cure, self- etch rezin yapıştırma simanı (Clearfil Esthetic Cement) kullanılarak sağlandı. Sonrasında dişler rastgele üç gruba ayrıldı: Grup I: Kontrol Grubu (termal veya mekanik siklus yok). Grup II: Termal siklus (5.000 termal siklus). Grup III: Mekanik yükleme siklusu (1.200.000 siklus). Herbir dişten (n:12) uzun eksen doğrultusunda kesiler yapılarak ikişer adet I-şeklinde kesitler elde edildi ve toplamda otuz altı adet örneğe, 1 mm/dk hızla çekme kuvvetleri uygulanarak kırılma sırasındaki maksimum kuvvet ölçüldü. Kırık hattı, ayrılma tipini tanımlamak amacı ile stereomikroskop (Olympus, SZ-PT) ile incelendi. Her bir simantasyon grubundan bir diş SEM (435 VP; Leo SEM Products) analizleri yapılmak üzere hazırlanarak arayüzeyler SEM altında incelendi. Bulgular: One-way ANOVA ile gruplar arasında anlamlı farklılıklar olduğu ortaya konuldu (p

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Cite This Article

ÖZYILMAZ, Ö. Y., SARI, T., KARA, Ö., KARA, H. B., KURUGÖL, P. İ. (2022). Effect of thermal and mechanical load cycling on dentin bond strength of a self-etch resin luting cement. Selcuk Dental Journal, Cilt: 4 - Sayı: 2, 36–43. https://ajindex.com/articles/591443

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