In vivo evaluation of the antibacterial efficacy of polyethyleneimine nanoparticle-modified glass ionomer cement versus conventional glass ionomer cement.

Researchers compared conventional glass ionomer cement with a modified version containing quaternized polyethyleneimine nanoparticles for cementing crowns in 16 participants, finding significantly lower bacterial counts at crown margins after one month with the modified cement.

A plain-English summary of the study's own findings — we don't add our own claims or interpretation. Read the full paper for the complete methods and results, and apply your own clinical judgement.