Khoshkam, V., Lin, G.- hao, Alikhasi, M. and H. Zadeh, H. 2019. The Impact of Crown-to-Implant Ratio on Marginal Bone Loss: A Meta-Analysis on Human Prospective Clinical Trials. Journal of "Regeneration, Reconstruction & Restoration" (Triple R). 4, 2 (Apr. 2019), 63–71. DOI:https://doi.org/10.22037/rrr.v4i2.29353.