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Comparative Evaluation of the Flexural Strength of a Self-Adhesive and a Conventional Flowable Composite Resin: An In Vitro Study
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Sheyda KhajeSeydi   , Saeid Nemati Anaraki , Mansoureh Emami Arjomand , Saeedeh Ebrahimgol , Emad Ramouz * |
| , emad.ramouz@iau.ir |
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Abstract: (93 Views) |
Abstract
Background and Aims: With the introduction of self-adhesive flowable composites to the market, the need to compare their mechanical properties, including flexural strength, with other composite materials has become increasingly important. Although self-adhesive flowable composites were developed to simplify clinical procedures, existing evidence regarding their mechanical properties, particularly flexural strength, has reported inconsistent findings. Therefore, it remains unclear whether these materials can serve as suitable alternatives to conventional flowable composites in terms of flexural strength. The aim of this study was to compare the flexural strength of a self-adhesive flowable composite (Vertise Flow) with a conventional flowable composite (Grandio Flow) during the academic year 2022–2023 at the Faculty of Dentistry, Islamic Azad University of Tehran, in an in vitro setting.
Materials and Methods: In this in vitro study, 24 composite specimens were prepared in two groups (n=12), including Vertise Flow (Kerr, USA) and Grandio Flow (VOCO, Germany). Flexural strength was measured using a three-point bending test in accordance with ISO 4049. Data were analyzed using the Shapiro–Wilk test for normality assessment. Based on Levene’s test results, mean flexural strength values were compared using the Independent Samples t-test.
Result: The mean flexural strength was 188.62 ± 18.25 MPa for Grandio Flow and 147.62 ± 17.53 MPa for Vertise Flow. The difference between the groups was statistically significant (p < 0.001).
Conclusion: Within the limitations of this in vitro study, Grandio Flow demonstrated higher flexural strength compared to Vertise Flow. However, extrapolation of these findings to clinical conditions requires further investigations under intraoral conditions.
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Article number: 5 |
| Keywords: Composite Resins, Adhesives, Flexural Strength, In Vitro |
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Full-Text [PDF 723 kb]
(86 Downloads)
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Type of Study: original article |
Subject:
restorative dentistry
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