AI Article Synopsis
- The study aimed to evaluate how different cleaning methods affect the bond strength of resin cement to zirconia, both in the short term and long term.
- The researchers reviewed literature and performed statistical analyses on existing studies, ultimately including 25 relevant articles published before April 2022.
- Results showed that certain cleaning methods, like using water, alcohol, or acid etching, resulted in lower bond strength compared to uncontaminated zirconia, while alumina air-abrasion and sodium hypochlorite cleaning performed comparably to uncontaminated zirconia for both aging conditions.
Article Abstract
Objectives: The aims of this study were to systematically review the literature and statistically analyze the effectiveness of different cleaning methods on the bond strength of resin cement to zirconia in short- and long-term aging conditions.
Data/sources: The literature was electronically searched in PubMed (MEDLINE), EMBASE, Wiley, Scopus, and Open Access Theses and Dissertations databases to select relevant articles that evaluated the bond strength between contaminated zirconia and resin cements. A manual search was performed by scanning the reference lists of included studies.
Study Selection: All articles were published online before April 2022 and in English. Meta-analyses were conducted using random effects models to calculate standardized mean differences (SMD) between uncontaminated zirconia and various cleaning methods in two aging conditions (short- and long-term). Statistical heterogeneity was assessed using I-square statistics. The risk of bias of all included studies was assessed. All statistical analyses were conducted using STATA (StataCorp, College Station, Texas).
Results: Of the 1181 studies, 25 studies met the inclusion criteria for qualitative analyses. In short-term aging condition, cleaning contaminated zirconia with water, alcohol, or acid etching reported significantly lower bond strength than uncontaminated zirconia. For long-term aging condition, cleaning contaminated zirconia with water, cleaning agents, alcohol, or acid etching reported significantly lower bond strength than uncontaminated zirconia. Alumina air-abrasion or cleaning with sodium hypochlorite were comparable to uncontaminated zirconia for both short- and long-term aging conditions.
Conclusions: This meta-analysis appeared to indicate that the cleaning methods of contaminated zirconia restoration have an effect on zirconia bonding.
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| http://dx.doi.org/10.1016/j.dental.2023.01.009 | DOI Listing |
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