Abstract
This paper reports on novel nanosized acid resistant material base on the modification of eggshell powder and titanium dioxide (TiO2-EB) for enamel remineralization. The TiO2-EB was prepared by ball milling eggshell powder and titanium dioxide. Fourier Transform Infrared Spectroscopy (FTIR), X-ray Diffraction (XRD), Scanning Electron Microscope (SEM), Transmission Electron Microscopy (TEM), and ImageJ were used to characterise TiO2-EB. A computation model using Material Studio Software was used to explain the mechanism of TiO2-EB interaction. In addition, the acid resistant of TiO2-EB was evaluated by comparison using three commercial toothpaste. The mean pressure value (kPa/s) was measured using a pressure sensor. The FTIR, XRD analysis confirmed the surface modification of TiO2-EB. The SEM image revealed that pure TiO2 particles are spread on the surface of eggshell powder. The TEM image revealed spherical particles in TiO2-EB. The ImageJ showed the average particle size of TiO2-EB to be 13 nm. In addition, the commercial toothpastes doped with TiO2-EB showed an improved acid resistant. The salient features of this study indicate that TiO2-EB will effectively remineralized enamel lesions while offering better protective covering to the enamel.
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