Flexural Strength of Temporary Restorative Materials Stored in Different Solutions

Nuran Dinçkal Yanikoğlu, Funda Bayindir, Duygu Kürklü, Bilge Beşir

Prosthodontics Department, Faculty of Dentistry, Atatürk University, Erzurum, Turkey.
Prosthodontics Department, Faculty of Dentistry, Karadeniz Teknik University, Trabzon, Turkey.

DOI: 10.4236/ojst.2014.46041                

Abstract

Aim: The aim of this study was to evaluate the effects of different solutions on the flexural strength of one methacrylate-based resin and three bis-acryl resin provisional materials using an in vitro model test system. Methods: The specimens (25 × 2 × 2 mm) were prepared from interim materials and stored for 14 days at 37°C in different solutions (coffee, burn, cola) and distilled water (control group). A standard three-point bending test was conducted on the specimens with an Instron universal testing machine at crosshead speed of 0.5 mm/min. Data were analyzed using the one-way analysis of variance and Tukey HSD multiple comprasion tests. Results: The methacry-late-based resin (Takilon) showed the least fracture strength (61.6 - 85.6 MPa). One of the bis-acryl resins (Protemp 4-3M ESPE) showed the highest fracture strength (112 - 128 MPa). Conclusions: All bis-acryl resin composite materials exhibited high fracture strength over the traditional methyl methacrylate resin throughout the 14 day time interval of investigation. The different solutions have not statistically significant effect on the flexure strength values on four temporary materials.

Keywords

Component, Temporary Dental Restorations, Acrylic Resins, Dental Resins

Conflicts of Interest

The authors declare no conflicts of interest.

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