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Descriptor English: Smear Layer
Descriptor Spanish: Capa de Barro Dentinario
Descriptor capa de barro dentinario
Scope note: Detritus adherentes producidos al cortar el esmalte o la dentina cuando se preparan las cavidades dentales. Tiene alrededor de 1 micra de grosor y su composición es un reflejo de la dentina adyacente aunque pueden producirse cantidades y calidades diferentes de barro según las distintas técnicas de instrumentación. Se presume que su función es protectora, ya que disminuye la permeabilidad de la dentina. Sin embargo, enmascara a la dentina adyacente e interfiere con los intentos de unir el material dental con la dentina.
Descriptor Portuguese: Camada de Esfregaço
Descriptor French: Boue dentinaire
Entry term(s): Layer, Smear
Tree number(s): C07.793.208.688
RDF Unique Identifier: https://id.nlm.nih.gov/mesh/D016369
Scope note: 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.
Annotation: note category: in dental cavity preparation
Allowable Qualifiers: BL blood
CF cerebrospinal fluid
CH chemistry
CI chemically induced
CL classification
CN congenital
CO complications
DG diagnostic imaging
DH diet therapy
DI diagnosis
DT drug therapy
EC economics
EH ethnology
EM embryology
EN enzymology
EP epidemiology
ET etiology
GE genetics
HI history
IM immunology
ME metabolism
MI microbiology
MO mortality
NU nursing
PA pathology
PC prevention & control
PP physiopathology
PS parasitology
PX psychology
RH rehabilitation
RT radiotherapy
SU surgery
TH therapy
UL ultrastructure
UR urine
VE veterinary
VI virology
Previous Indexing: Dental Cavity Preparation (1981-1991)
Dental Pulp Cavity (1981-1991)
Dentin (1981-1991)
Public MeSH Note: 92
History Note: 92
DeCS ID: 29816
Unique ID: D016369
Documents indexed in the Virtual Health Library (VHL): Click here to access the VHL documents
Date Established: 1992/01/01
Date of Entry: 1991/01/03
Revision Date: 2014/06/13
Smear Layer - Preferred
Concept UI M0025038
Scope note 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.
Preferred term Smear Layer
Entry term(s) Layer, Smear



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