The presence of smear layer affects the antimicrobial action of root canal sealers.
Rafaela Fernandes ZancanA Di MaioP L TomsonMarco Antonio Hungaro DuarteJosette CamilleriPublished in: International endodontic journal (2021)
The removal of smear layer was necessary for penetration of AH Plus into the dentinal tubules. BioRoot was a more effective sealer in reducing the bacterial load in the dentinal tubules than the other materials tested and the presence of smear layer did not affect its activity.