Synthesis and Characterization of New Composite for Dental Restoration Application - An In-vitro Study

Dental Restoration Applications

Abstract

To be used as a restorative dental material, bis(phenol)-a-glycidyl-dimethacrylate composite resin cemented with zirconia and silicon was created. By comparing the relative intensities of the aromatic C=C stretching vibration at 1636 cm1 and the methacrylate C=O stretching Raman mode (1714.0 cm1) on top and bottom surfaces, the degree of conversion was estimated using the FTIR approach. Thermogravimetric analysis (TGA) investigation revealed that the thermal stability of the composite increased with longer curing times, while conversion increased up to 30 sec before declining. To investigate the impact of irradiation duration on the mechanical properties of the composites, microhardness and compressive strength of the composite resin were assessed and associated with the level of conversion. Studies on surface morphology demonstrated that zirconia and silica were dispersed fairly and uniformly. The created composite can be used as an alternative to the dental composites that are already available  on the market.