Abdel-Rahman, H.K. and Salem Al-Sammaraie, S.A. 2020. Effect of Adding Magnesium Oxide Nanoparticles on the Antimicrobial Activity of a Denture Soft Liner. Polytechnic Journal. 10, 2 (Dec. 2020), 132-137. DOI:https://doi.org/10.25156/ptj.v10n2y2020.pp132-137.