Before revision: Contents of the smear layer : Dentine particles Residual vital pulp tissue Residual necrotic pulp tissue Erythrocytes Remnant of odontoblast process Saliva Bacterial components Thickness of the smear layer The smear layer is a physical barrier that decreases the penetration of disinfecting agents into dentinal tubules, and consequently, their efficacy.
After revision: Contents of the smear layer Dentine particles Residual vital pulp tissue Residual necrotic pulp tissue Erythrocytes Remnant of odontoblast process Saliva Bacterial components Thickness of the smear layer The smear layer is a physical barrier that decreases the penetration of disinfecting agents into dentinal tubules, and consequently, their efficacy.