Abstract
Objectives
This study aims to evaluate the cytotoxicity and genotoxicity of three different extracts obtained from Filtek™ One Bulk Fill, Tetric Evoceram® Bulk Fill and Coltene Fill-Up! resins.
Materials and methods
The cytotoxicity was determined on 3T3 fibroblast cells using the MTT and crystal violet assays. The genotoxicity was determined using a cytokinesis-block micronucleus assay.
Results
The cytotoxicity of the resin extracts on 3T3 mouse fibroblasts was found to be dose-dependent with both the MTT and crystal violet assays. Extracts concentrated above 1% were cytotoxic according to the MTT assay. The Filtek™ One Bulk Fill, Tetric Evoceram® Bulk Fill, and Coltene Fill-Up! resins reached the LD50 at concentrations of 60%, 50%, and 20%, respectively, and showed genotoxicity rates that were 2–5 times, 3–8 times, and 4–15 times higher than the negative control, respectively.
Conclusions
Coltene Fill-Up! resin extracts were the most cytotoxic and genotoxic, followed by Tetric Evoceram® Bulk Fill and Filtek™ One Bulk Fill.
Clinical relevance
The analyzed bulk-fill resins showed differences in in vitro biocompatibility, and the Filtek™ One Bulk Fill was found to be the safest for clinical use.
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Egas Moniz CRL funded this research.
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C. J. and I. B. wrote the main manuscript and P. M. and M. A. prepared figures. All authors reviewed the manuscript.
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Junqueira, C., Mascarenhas, P., Avelar, M. et al. Biocompatibility of bulk-fill resins in vitro. Clin Oral Invest 27, 7851–7858 (2023). https://doi.org/10.1007/s00784-023-05376-6
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DOI: https://doi.org/10.1007/s00784-023-05376-6