Ansari, P., nourbakhsh, mehran . and koosha, sara (2021) “Comparison of microhardness of three interim restorative materials: PEEK, PMMA and indirect composite ”, Journal of Dental School, Shahid Beheshti University of Medical Sciences, 38(2), pp. 63–68. doi: 10.22037/jds.v38i2.32961.