About The Medical Condition Smear Layer

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Find the definition of the medical term Smear Layer. Smear Layer defined and explained for easy understanding at the Medical Conditions from ClusterMed.info.

Smear Layer

Smear Layer Medical Condition Defined & Explained
Smear Layer Medical Condition

What's The Definition Of The Medical Condition 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.

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