Abdelaaziz, M. ., J. Mars, and C. . Greyling. “Effect of Different Sizes of Nano-TiO2 on Wear Resistances and Surface Hardness of Resinbased Dental Composites”. Libyan Journal of Science &Amp;Technology, vol. 5, no. 2, Sept. 2022, doi:10.37376/ljst.v5i2.2298.