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The Effect of Three Additives on Properties of Mineral Trioxide Aggregate Cements: A Systematic Review and Meta-Analysis of in Vitro Studies Publisher Pubmed



Bolhari B1 ; Noori F1 ; Assadian H1 ; Raee A2 ; Ghabraei S1 ; Shamshiri AR3 ; Heboyan A4
Authors
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Authors Affiliations
  1. 1. Department of Endodontics, School of Dentistry, Tehran University of Medical Sciences (TUMS), Tehran, Iran
  2. 2. Department of Periodontics, School of Dentistry, Tehran University of Medical Sciences (TUMS), Tehran, Iran
  3. 3. Research Center for Caries Prevention, Dentistry Research Institute, Department of Community Oral Health, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
  4. 4. Department of Prosthodontics, Faculty of Stomatology, Yeravan State Medical University After Mkhitar Heratsi, Yerevan, 0025, Armenia

Source: BMC Oral Health Published:2024


Abstract

Background: Several efforts have been made to improve mechanical and biological properties of calcium silicate-based cements through changes in chemical composition of the materials. This study aimed to investigate the physical (including setting time and compressive strength) and chemical (including calcium ion release, pH level) properties as well as changes in cytotoxicity of mineral trioxide aggregate (MTA) after the addition of 3 substances including CaCl2, Na2HPO4, and propylene glycol (PG). Methods: The systematic review was conducted in accordance with Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA). Electronic searches were performed on PubMed, Embase, and Scopus databases, spanning from 1993 to October 2023 in addition to manual searches. Relevant laboratory studies were included. The quality of the included studies was assessed using modified ARRIVE criteria. Meta-analyses were performed by RevMan statistical software. Results: From the total of 267 studies, 24 articles were included in this review. The results of the meta-analysis indicated that addition of PG increased final setting time and Ca2+ ion release. Addition of Na2HPO4 did not change pH and cytotoxicity but reduced the final setting time. Incorporation of 5% CaCl2 reduced the setting time but did not alter the cytotoxicity of the cement. However, addition of 10% CaCl2 reduced cell viability, setting time, and compressive strength. Conclusion: Inclusion of 2.5% wt. Na2HPO4 and 5% CaCl2 in MTA can be advisable for enhancing the physical, chemical, and cytotoxic characteristics of the admixture. Conversely, caution is advised against incorporating elevated concentrations of PG due to its retarding effect. Trial registration: PROSPERO registration number: CRD42021253707. © The Author(s) 2024.
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