essay 19 - liners - classifications. types. purpose. properties. instruments. technique
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5 Terms
classifications of liners
traditional liners: calcium hydroxide, zinc oxide-eugenol
Adhesive liners: RMGI
types of liners
calcium hydroxide - pulp capping, deep cavities
zinc oxide-eugenol - temporary soothing, not used under resin
RMGI - bonding, fluoride release, dentin sealing
purpose and function of liners
protect pulp from chemical and thermal insults
promote healing and dentin regeneration
seal dentinal tubules (prevent microleakage)
sometimes used as a stress absorber
properties of liners
thin applications (-0.5mm)
biocompatible
should bond to dentin if applicable
some liners (RMGI) provide long-term fluoride release
instrument and technique for liners
applied with applicator tips or small brushes
thin, uniform layer applied to deepest cavity areas
light-cured if resin based
covered with base (if needed) before restoration
