Abstract
Aims: This in vitro investigation was used to evaluate and compare the bioactivity of several restorative materials ( Cention® Forte, Tetric PowerFill bulk fill, and evereX Posterior™ ). Materials and Methods: Disc-shaped specimens of 10 mm in diameter and 2 mm in thickness were made for Cention® Forte, Tetric PowerFill bulk fill, and EvereX Posterior™ in order to evaluate their bioactivity. The manufacturer's instructions were followed while handling the materials. Dental floss was used to suspend the samples in plastic containers that were filled up to 25 milliliters with phosphate-buffered saline (PBS) for 28 days, the pH was 7.4 at 37°C, and the solution was changed every three days. The samples underwent cleaning, drying, and analysis using a Field Emission Scanning Electron Microscope (FESEM)/ Energy Dispersive X-ray (EDX) . Results: Hydroxy apatite crystals precipitated as nano-spherical needle-like shapes on the surface of Cention® Forte. The Ca\P ratios of Tetric PowerFill bulk fill and evereX Posterior™ were (0.69) and (0.71), respectively, whereas Cention® Forte had a Ca\P ratio of 1.86, which was more than the normal Ca\P ratio of dentin which is 1.67. Conclusions: Over 28 days in phosphate-buffer saline, Cention® Forte exhibited the ability of HA precipitation on its surface with a Ca/P ratio comparable to that of natural HA.
