¨It is the step in adapting the preparation for
receiving the final restorative material
¨Liners or bases is used to protect the pulp or to aid
pulpal recovery
¨Pulp protection is mandatory for successful
restoration of tooth.
Examples of liners are:
¨aqueous suspension of
zinc oxide or calcium hydroxide.
¨ Resin modified glass
ionomer used with composite restorations.
Examples of bases are:
¨Zinc phosphate
¨Zinc oxide eugenol
¨Zinc polycarboxylate
¨Calcium hydroxide
¨ Some types of glass
ionomer (usually RMGI)
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