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Pulp reaction to a temporary zinc oxide/eugenol cement.
The pulpal irritation, such as inflammatory reaction and aspiration of pulpal cells, demonstrated after insertion of the zinc oxide/eugenol cement (Nobetec) seems to warrant the following recommendations: (1) A temporary restoration with a zinc oxide/eugenol base should not be inserted in deep cavities without a protective liner or a calcium hydroxide base covering the exposed dentinal tubules. (2) Before the temporary cementing of inlays and crowns with a zinc oxide/eugenol cement, not only should the dentin be properly cleaned and debris removed, but the prepared surfaces should be covered with a calcium hydroxide liner.
PMID: 1061813 [PubMed - indexed for MEDLINE]
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