Tabari, M., Alaghemand, H., Rabiee, M., Khefri, S., Seyyed Ahadi, M. and Nikpour, M.-R. 2020. The Effect of Silicone Oil and Nano-hydroxyapatite/Chitosan Powder on Microhardness and Surface Structure of Primary Teeth Enamel After Iron Drop Consumption. Journal of Dental School, Shahid Beheshti University of Medical Sciences. 31, 3 (Jul. 2020), 138–147.