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VOLUME 9 , ISSUE 1 ( January-June, 2020 ) > List of Articles
Ridyumna Garain, Mikayeel Abidi, Zain Mehkri
Keywords : Compressive strength, Flexural strength, Glass ionomer cement, High strength GIC, Materials testing, Review, Standards
Citation Information : Garain R, Abidi M, Mehkri Z. Compressive and Flexural Strengths of High-strength Glass Ionomer Cements: A Systematic Review. Int J Experiment Dent Sci 2020; 9 (1):25-29.
License: CC BY-NC 4.0
Published Online: 11-10-2020
Copyright Statement: Copyright © 2020; Jaypee Brothers Medical Publishers (P) Ltd.
Objective: To perform a systematic review of test methodologies of high-strength restorative glass ionomer cement (GIC) materials for compressive (CS) and flexural strengths (FS) to compare the results between different GICs. Materials and methods: Screening of titles and abstracts, data extraction, and quality assessment was conducted in search for in vitro studies, which reported on CS and/or FS properties of high-strength GIC. PubMed/Medline (US National Library of Medicine—National Institutes of Health), EBSCO, and ProQuest databases were searched for the relevant literature. Results: A total of 123 studies were found. These were then assessed based on preestablished inclusion and exclusion criteria. Of the selected studies, two studies of fair quality tested CS, while none tested FS. The CS of experimental groups in both studies was less than their respective control groups. Discussion: It was observed that many studies reported following the International Standards Organization (ISO) recommendations for testing but with modifications. Additionally, in absence of guidelines for testing other parameters that may be potentially advantageous, authors have used differing experimental techniques. These disparities make it difficult to draw comparisons between different studies. Conclusion: Only two studies of fair quality showed lower CS of experimental groups compared to their respective control groups. Lack of adherence to guidelines and lack of guidelines for potentially better test methodologies make it difficult to scrutinize and compare the validity of the research being conducted.
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