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Cavity Bases Revisited

Authors Arandi NZ, Rabi T

Received 21 May 2020

Accepted for publication 9 July 2020

Published 24 July 2020 Volume 2020:12 Pages 305—312

DOI https://doi.org/10.2147/CCIDE.S263414

Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 2

Editor who approved publication: Professor Christopher E. Okunseri


Naji Ziad Arandi,1 Tarek Rabi2

1Department of Conservative Dentistry and Prosthodontics, Faculty of Dentistry, Arab American University, Jenin, Palestine; 2Department of Conservative and Prosthodontics, Faculty of Dentistry, Al-Quds University, Jerusalem, Palestine

Correspondence: Naji Ziad Arandi
Department of Conservative Dentistry and Prosthodontics, Faculty of Dentistry, Arab American University, Jenin, Palestine
Tel +97 2598126111
Email Arandi@gmail.com

Objective: 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.
Materials and Methods: 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.
Conclusion: 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.

Keywords: bases, liners, pulp protection, resin-modified glass ionomer, zinc oxide eugenol

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