Cavity Bases Revisited

The aim of this paper was to review the current literature on cavity bases while focusing on the role of zinc oxide eugenol (ZOE) and resin-modified glass ionomers (RMGI) as cavity bases. A thorough literature search between 1970 and 2020 was done using Scopus, PubMed, and Google Scholar databases....

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Bibliographic Details
Published in:Clinical, cosmetic and investigational dentistry cosmetic and investigational dentistry, 2020-01, Vol.12, p.305-312
Main Authors: Arandi, Naji Ziad, Rabi, Tarek
Format: Article
Language:English
Subjects:
Adhesives
bases
Bond strength
Composite materials
Dental schools
Dentin
Dentistry
Dentists
Hydroxides
liners
pulp protection
resin-modified glass ionomer
Review
Zinc oxide
zinc oxide eugenol
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Summary:The aim of this paper was to review the current literature on cavity bases while focusing on the role of zinc oxide eugenol (ZOE) and resin-modified glass ionomers (RMGI) as cavity bases. A thorough literature search between 1970 and 2020 was done using Scopus, PubMed, and Google Scholar databases. The keywords of the search strategy were as below: cavity liners and bases, pulp protection, zinc oxide eugenol, and resin-modified glass ionomer. No specific inclusion or exclusion criteria were applied as to what articles would be included in this review. This review emphasizes that the available literature provides very little evidence to support the routine use of a base under amalgam or composite restorations. This review favors the adoption of "no more lining or bases" in shallow and moderate cavity preparations. However, an exception might be a "protective base" of RMGI following the application of calcium hydroxide (CH) liners in deep cavities. Bonded RMGIs are suitable cavity base materials and should always replace zinc oxide eugenol bases in daily practice.
ISSN:1179-1357
1179-1357
DOI:10.2147/CCIDE.S263414