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GIC is a dental restorative material which can be used as a filling material and as a luting cement. Nanotechnology is the use of systems, modifications and materials within the range of the nanometer scale. It is used to create more complex structures and better materials in a smaller scale which has better properties than the conventional type. Nanotechnology GIC can be formed by incorporation of nano fillers. Addition of nanoparticles can aid in improving the mechanical properties of the set GIC. The property of fluoride release is not affected by the addition of nanoparticles. This review focuses on the properties of nanotechnology GIC and how it differs from conventional GIC. The relevant articles were collected from various search engines including pubmed, google scholar and MESH within the timeframe of 2000 to 2020. The fluoride release of nano RMGIC is comparable to that of conventional RMGIC but lesser than conventional GIC cement. The property of fluoride release is comparative to that of conventional RMGIC. The nano RMGIC bonds as effectively as conventional GIC to the enamel and dentin but has considerably lesser bonding efficiency as compared with conventional RMGIC. It has a better flow than normal GIC. In conclusion, this study can aid in creating awareness about the newer technologies in the field of dentistry. Comparison of nanotechnology with conventional GIC would help in identifying the advantages and disadvantages of the newer techniques and create ideas to rectify the discrepancies. [ABSTRACT FROM AUTHOR]