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. 2021 Jun 15;11(34):21189–21206. doi: 10.1039/d0ra10789a

Summary of studies that evaluated application of ZnO NPs in periodontal.

Formulations NPs Applications Findings Ref.
PCL loaded with OTC–ZnO NPs – Develop the PCL–OTC–ZnO nanofibers for use in the treatment of periodontal diseases – PCL–OTC–ZnO nanofibers were non-cytotoxic 133
– The PCL–OTCz nanofibers developed have great potential as a drug delivery system for the PD treatment
– PCL–OTCz exhibited excellent activity against a mixed bacterial culture
PCL–ZnO NPs – Evaluation of the osteoconductivity and antibacterial properties – The engineered membrane exerts both osteoconductive and antibacterial properties 140
– Demonstrating its great potential for periodontal tissue engineering
Sealer incorporated with Ag–ZnO NPs – Evaluation of the antimicrobial efficacy of ZnO based sealer incorporated with silver and zinc oxide NPs compared with simple zinc oxide sealer against Enterococcus faecalis – After three weeks from obturation, silver NPs had a superior antibacterial effect, but after one week of obturation there was no significant difference between the groups 141
ZnO NPs – Estimate the effect of ZnO NPs on salivary AST activity in chronic periodontitis patients – Increasing salivary activity in presence of ZnO NPs 135
ALP, AST–ZnO NPs – Determine of kinetic study of ALP, AST and peroxidase in presence and absence of ZnO NPs in saliva of chronic periodontitis patients – The activity of salivary AST was increased in presence of ZnO NPs 142
– The inhibited effect of ZnO NPs on both salivary ALP and peroxidase activities was confirmed
PCL/gelatin–ZnO NPs – The synthesis of bioactive scaffolds for periodontal regeneration and \development of a cell-friendly disinfection strategy through the fabrication of drug delivery systems – PCL/GEL-based membranes containing a low content of ZnO NPs can potentially function as a biologically safe antimicrobial membrane for guided tissue/bone regeneration with satisfactory cytocompatibility 139
ZnO NPs–gelatin–PLC membrane – Evaluate the antimicrobial capacity and cytocompatibility of ZnO-loaded membranes for periodontal regeneration – The mechanical properties of the membranes were reduced upon ZnO incorporation, except for PCL-based membranes containing ZnO at the 30 wt% concentration 130
– All ZnO-containing membranes displayed antibacterial activity
– All membranes synthesized demonstrated satisfactory cytocompatibility, although the presence of 30 wt% ZnO led to decreased viability