Comparative Study
Journal Article
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Cytocompatibility of new bioceramic-based materials on human fibroblast cells (MRC-5).

OBJECTIVE: The aim of this study was to evaluate and compare the cytotoxicity of 2 bioceramic-based materials, BioAggregate and iRoot, on human fibroblast MRC-5 cells.

STUDY DESIGN: Twenty-four disks of BioAggregate and iRoot SP materials were fabricated (2 × 5 mm). Disks were immersed in cell culture medium at 37°C for 5 days, and the extracts obtained were diluted with Dulbecco's Modified Eagle medium to achieve 5 concentrations (neat, 1/2, 1/10, 1/50, 1/100). Human fibroblast cells were incubated with each extract dilution for 24 hours, 72 hours, and 7 days, then cellular viability was assessed using MTT assay. Differences in mean cell viability values between materials were assessed by using the 1-way ANOVA and Tukey's test.

RESULTS: A statistically significant difference was found between the experimental materials and the control group and between the 2 materials at the neat, 1/2, 1/10 concentrations for the 3 incubation periods (P < .001). The cytotoxic effect of both materials was concentration dependant.

CONCLUSIONS: Both BioAggregate and iRoot SP displayed an acceptable biocompatibility.

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