A cast post is a one-piece unit that is custom fabricated for the tooth at the dental laboratory.
Traditional extracts such as neem and green tea have good antimicrobial and antioxidant
activity against pathogens. The empty canal space may provide a suitable environment for
promoting bacterial growth. The main aim of the study is to find the antimicrobial activity of
the cast post coated with the nanoparticle. Prepared cast post was coated with prepared
green tea and neem-mediated zinc oxide (ZnO) nanoparticles. Culture is done in agar …