This document discusses varnishes used in dentistry and summarizes the properties of two common bases - glass ionomer and zinc oxide eugenol. Glass ionomer can release fluoride ions, bonds to enamel and dentin, and is radiopaque. Zinc oxide eugenol is a sealer that seals dentinal tubules, flows easily but evaporates quickly, is sedative to the pulp, insulates and protects the pulp from thermal forces, and contains eugenol which has a calming effect on the pulp. Both materials are compatible with all dental restorative materials.

4. Varnishes
Two of the most popular bases are
Glass ionomer
Zinc oxide eugenol (ZOE)
type of sealer that seals the
dentinal tubules and flows easily
but evaporates quickly.
• can releases fluoride ions
• bonds to enamel and dentin,
• radiopaque
• compatible with all dental restorative materials.
• sedative (soothing) to the pulp
• insulates the pulp from thermal forces
• protects the pulp
• Oil of cloves in the eugenol calming effect on pulp.

5. • Protects the pulp from chemical
irritation by its sealing ability
• Stimulates the production of
reparative or secondary dentin
• Compatible with all types of
restorative materials.

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