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      Shear bond strength of different restorative materials to mineral trioxide aggregate and Biodentine

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          Abstract

          Significance of Study:

          Mineral trioxide aggregate (MTA) and Biodentine (calcium silicate-based materials) have great importance in dentistry. There is no study comparing the bond strength of Biodentine and MTA for composite, compomer, and compomer or resin-modified glass ionomer (RMGIC). Although many advantages of Biodentine over MTA; in this study, MTA has shown better shear bond strength (SBS) to restorative materials.

          Aim:

          Recently, a variety of calcium silicate-based materials are often used for pulp capping, perforation repair, and endodontic therapies. After those treatment procedures, teeth are commonly restored with composite resin, (RMGIC materials in pediatric dentistry. The aim of this study was to evaluate the SBS of composite resin (Filtek™ Z250; 3M ESPE, USA), compomer (Dyract XP; LD Caulk/Dentsply, USA), and resin-modified glass ionomer (Photac-Fil Quick Aplicap; 3M ESPE, USA) to white MTA and Biodentine.

          Materials and Methods:

          Ninety acrylic cylindrical blocks were prepared and divided into two groups ( n = 45). The acrylic blocks were randomly allocated into 3 subgroups; Group-1A: MTA + composite (Filtek™ Z250), Group-1B: MTA + compomer (Dyract XP), Group-1C: MTA + RMGIC (Photac-Fil Quick Aplicap), Group-2A: Biodentine + composite, Group-2B: Biodentine + compomer, Group-2C: Biodentine + RMGIC. The specimens were mounted in Universal Testing Machine. A crosshead speed 1 mm/min was applied to each specimen using a knife-edge blade until the bond between the MTA/Biodentine and restorative material failed. Failure modes of each group were evaluated under polarized light microscope at ×40 magnification.

          Results:

          There was no statistically significant difference between MTA + Composite resin with MTA + Compomer; and MTA + RMGIC with Biodentine + RMGIC ( P > 0.05). There were statistically significant differences between other groups ( P < 0.05).

          Conclusions:

          The results of the present study displayed that although many advantages of Biodentine over MTA; MTA has shown better SBS to compomer and composite resin materials than Biodentine.

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          Mineral trioxide aggregate: a comprehensive literature review--Part III: Clinical applications, drawbacks, and mechanism of action.

          Masoud Parirokh, Mahmoud Torabinejad (2010)
          Mineral trioxide aggregate (MTA) has been recommended for various uses in endodontics. Two previous publications provided a comprehensive list of articles from November 1993-September 2009 regarding the chemical and physical properties, sealing ability, antibacterial activity, leakage, and biocompatibility of MTA. The purpose of Part III of this literature review is to present a comprehensive list of articles regarding animal studies, clinical applications, drawbacks, and mechanism of action of MTA. A review of the literature was performed by using electronic and hand-searching methods for the clinical applications of MTA in experimental animals and humans as well as its drawbacks and mechanism of action from November 1993-September 2009. MTA is a promising material for root-end filling, perforation repair, vital pulp therapy, and apical barrier formation for teeth with necrotic pulps and open apexes. Despite the presence of numerous case reports and case series regarding these applications, there are few designed research studies regarding clinical applications of this material. MTA has some known drawbacks such as a long setting time, high cost, and potential of discoloration. Hydroxyapatite crystals form over MTA when it comes in contact with tissue synthetic fluid. This can act as a nidus for the formation of calcified structures after the use of this material in endodontic treatments. On the basis of available information, it appears that MTA is the material of choice for some clinical applications. More clinical studies are needed to confirm its efficacy compared with other materials. Copyright (c) 2010. Published by Elsevier Inc.
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            Uptake of calcium and silicon released from calcium silicate-based endodontic materials into root canal dentine.

            Liping Han, T Okiji (2011)
            To compare Biodentine and White ProRoot mineral trioxide aggregate (MTA) with regard to Ca and Si uptake by adjacent root canal dentine in the presence of phosphate-buffered saline (PBS). Root canals of bovine incisor root segments were instrumented, filled with either Biodentine or MTA (n = 20 each) and then immersed in Ca-and Mg-free PBS for 1, 7, 30 or 90 days (n = 5 each). Unfilled, unimmersed dentine specimens (n = 5) served as controls. The specimens were sectioned longitudinally, and the ultrastructure of the dentine-material interface and the elemental composition/distribution in the material-adjacent dentine were analysed using a wavelength-dispersive X-ray spectroscopy electron probe microanalyser with image observation function. Data were statistically analyzed using one-way anova and Tukey's honestly significant difference test or the Mann-Whitney U-test. Along the material-dentine interface, both materials formed a tag-like structure that was composed of either Ca- and P-rich crystalline deposits or the material itself. The width of a Ca- and Si-rich layer detected along the dentine layer of the material-dentine interface showed increases over time. The Ca- and Si-rich layer width was significantly larger (P < 0.05) in Biodentine than MTA at 30 and 90 days. Both Biodentine and MTA caused the uptake of Ca and Si in the adjacent root canal dentine in the presence of PBS. The dentine element uptake was more prominent for Biodentine than MTA. © 2011 International Endodontic Journal.
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              Induction of specific cell responses to a Ca(3)SiO(5)-based posterior restorative material.

              Patrick Laurent, Jean Camps, Michel De Méo … (2008)
              A Ca(3)SiO(5)-based cement has been developed to circumvent the shortcomings of traditional filling materials. The purpose of this work was to evaluate its genotoxicity, cytotoxicity and effects on the target cells' specific functions. Ames' test was applied on four Salmonella typhimurium strains. The micronuclei test was studied on human lymphocytes. The cytotoxicity (MTT test), the Comet assay and the effects on the specific functions by immunohistochemistry were performed on human pulp fibroblasts. Ames' test did not show any evidence of mutagenicity. The incidence of lymphocytes with micronuclei and the percentage of tail DNA in the Comet assay were similar to the negative control. The percentage of cell mortality with the new cement as performed with the MTT test was similar to that of biocompatible materials such as mineral trioxide aggregate (MTA) and was less than that obtained with Dycal. The new material does not affect the target cells' specific functions such as mineralization, as well as expression of collagen I, dentin sialoprotein and Nestin. The new cement is biocompatible and does not affect the specific functions of target cells. It can be used safely in the clinic as a single bulk restorative material without any conditioning treatment. It can be used as a potential alternative to traditionally used posterior restorative materials.
              Article 0 comments Cited 74 times – based on 0 reviews     Review now
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                Author and article information

                Journal
                Journal ID (nlm-ta): J Conserv Dent
                Journal ID (iso-abbrev): J Conserv Dent
                Journal ID (publisher-id): JCD
                Title: Journal of Conservative Dentistry : JCD
                Publisher: Medknow Publications & Media Pvt Ltd (India )
                ISSN (Print): 0972-0707
                ISSN (Electronic): 0974-5203
                Publication date (Print): Sep-Oct 2017
                Volume: 20
                Issue: 5
                Pages: 292-296
                Affiliations
                [1]Department of Pediatric Dentistry, Faculty of Dentistry, Ankara Yıldırım Beyazıt University, Ankara, Turkey
                [1 ]Department of Pediatric Dentistry, Faculty of Dentistry, Kırıkkale University, Kırıkkale, Turkey
                [2 ]Vocational School of Health Services, Kırıkkale University, Kırıkkale, Turkey
                Author notes
                Address for correspondence: Dr. Fatih Tulumbaci, Department of Pediatric Dentistry, Faculty of Dentistry, Ankara Yıldırım Beyazıt University, Ankara, Turkey. E-mail: fatihtulumbaci@ 123456hotmail.com
                Article
                Publisher ID: JCD-20-292
                DOI: 10.4103/JCD.JCD_97_17
                PMC ID: 5767820
                PubMed ID: 29386773
                SO-VID: d8524485-9bd6-4d2f-a7bc-f5014326524f
                Copyright © Copyright: © 2017 Journal of Conservative Dentistry
                License:

                This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 License, which allows others to remix, tweak, and build upon the work non-commercially, as long as the author is credited and the new creations are licensed under the identical terms.

                History
                Date received : 06 March 2017
                Date revision received : 11 October 2017
                Date accepted : 21 November 2017
                Categories
                Subject: Original Article

                ScienceOpen disciplines: Dentistry
                Keywords: biodentine,mineral trioxide aggregate,shear bond strength
                Data availability:
                ScienceOpen disciplines: Dentistry
                Keywords: biodentine, mineral trioxide aggregate, shear bond strength

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