Biocompatibility of bulk-fill resins in vitro

Carla Junqueira, Paulo Mascarenhas, Mariana Avelar, Ana Clara Ribeiro, Isabel Barahona

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

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.

Original languageEnglish
Pages (from-to)7851-7858
Number of pages8
JournalClinical Oral Investigations
Volume27
Issue number12
DOIs
Publication statusPublished - Dec 2023

Keywords

  • Bulk fill
  • Crystal violet assay
  • Cytokinesis-block micronucleus assay
  • MTT assay

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