dental liners Flashcards
dental liners
provide a thin barrier to protect the pulpal tissue from irritation caused by physical, mechanical, chemical and biological elements
calcium hydroxide
dental liner that protects the pulp from chemical irritation by its sealing ability while stimulating production of secondary dentin
where is a dental liner placed
the deepest portion of the preparation
only goes on the dentin
indications for dentin sealer
o Treat or prevent hypersensitivity
o Used instead of a varnish
o Seal the dentinal tubules
o Ideal for use under all indirect restorations
varnish
• A type of sealer that consist of one or more resins in an organic solvent applied to the internal preparation structure.
indications of use for a varnish
o Seal dentinal tubules
o Reduce leakage around a restoration
o Act as a barrier to protect the tooth from highly acidic cements such as zinc phosphate
contradiction of use of a varnish
This material is contraindicated in its use under composite resins and glass ionomer restorations
how much of the dental liner material should be placed
0.5-1mm