Abstract:
:The aim of this in vitro study was to evaluate cytotoxicity and genotoxicity of six different dental nanocomposite materials, three conventional ones and three flowable composite resin materials, in human lymphocytes. The following materials were tested: Tetric EvoCeram, Tetric EvoFlow, Filtek Ultimate, Filtek Ultimate Flow, G-aenial and G-aenial Flo. Cytotoxicity was evaluated for two mass concentrations (0.007 g/mL and 0.013 g/mL) of each material, non-cured and cured, after 4 hours and 24 hours. Genotoxicity was evaluated using micronucleus assay under the same conditions as applied during the investigation of cytotoxicity. Uncured forms of Tetric EvoCeram, Tetric EvoFlow and Filtek Ultimate Flow in higher mass concentration caused genotoxic effect. Uncured G-aenial Flo in higher mass concentration induced apoptosis and necrosis. Uncured Tetric EvoFlow and uncured Filtek Ultimate Flow in higher mass concentration induced early apoptosis after both test periods. None of the conventional composite resin materials tested showed cytotoxicity except for uncured G-aenial, which induced apoptosis in higher mass concentration in both test periods. In conclusion, under the conditions of this in vitro study, cured conventional composites did not show cytotoxic or genotoxic effect, which is important for clinical application of these materials, whereas uncured forms exhibited certain level of cytotoxicity and genotoxicity, mainly because of monomers in their composition.
journal_name
Acta Clin Croatjournal_title
Acta clinica Croaticaauthors
Brzović Rajić V,Želježić D,Malčić Ivanišević A,Verzak Ž,Baraba A,Miletić Idoi
10.20471/acc.2018.57.02.07subject
Has Abstractpub_date
2018-06-01 00:00:00pages
278-285issue
2eissn
0353-9466issn
1333-9451journal_volume
57pub_type
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