essay 19 - liners - classifications. types. purpose. properties. instruments. technique

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Last updated 8:37 AM on 5/21/26
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5 Terms

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classifications of liners

  • traditional liners: calcium hydroxide, zinc oxide-eugenol

  • Adhesive liners: RMGI

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types of liners

  1. calcium hydroxide - pulp capping, deep cavities

  2. zinc oxide-eugenol - temporary soothing, not used under resin

  3. RMGI - bonding, fluoride release, dentin sealing

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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

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properties of liners

  • thin applications (-0.5mm)

  • biocompatible

  • should bond to dentin if applicable

  • some liners (RMGI) provide long-term fluoride release

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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