Smear Layer
Adherent debris produced when cutting the enamel or dentin in cavity preparation. It is about 1 micron thick and its composition reflects the underlying dentin, although different quantities and qualities of smear layer can be produced by the various instrumentation techniques. Its function is presumed to be protective, as it lowers dentin permeability. However, it masks the underlying dentin and interferes with attempts to bond dental material to the dentin.
Year introduced: 1992
PubMed search builder options
Subheadings:
Tree Number(s): C07.793.208.688
MeSH Unique ID: D016369
Entry Terms:
Previous Indexing: