misanjas, misanjas, Hasan Mhaibes, A. and Nabeel Safi, I. 2024. The Effect of Titanium Oxide Nanotubes on the Surface Hardness of a Three-Dimensional Printed Denture Base Material. (Humanities, social and applied sciences) Misan Journal of Academic Studies . 23, 52 (Dec. 2024), 58-68.