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      Comparison of sealing ability of bioactive bone cement, mineral trioxide aggregate and Super EBA as furcation repair materials: A dye extraction study

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          Abstract

          Context:

          Sealing ability of furcation repair material.

          Aims:

          To evaluate the sealing ability of bioactive bone cement, mineral trioxide aggregate (MTA) and Super Ethoxybenzoic Acid (EBA) as furcation repair materials in mandibular molars using a dye extraction leakage model.

          Settings and Design:

          In vitro, dye extraction study.

          Materials and Methods:

          Forty mandibular molars were randomly divided according to the material used to repair perforation: Group I-MTA, Group II-bioactive bone cement, Group III-Super EBA, Group IV-Control (furcation left unrepaired). All samples were subject to ortho grade and retrograde methylene blue dye challenge followed by dye extraction with 65% nitric acid. Samples were then analyzed using Ultra violet (UV) Visible Spectrophotometer.

          Statistical Analysis Used:

          One way analysis of variance (ANOVA), Tukey-Kramer Multiple Comparisons Test.

          Results:

          MTA and bioactive bone cement showed almost similar and lower absorbance values in comparison to Super EBA.

          Conclusions:

          Bioactive bone cement provi ded an excellent seal for furcal perforation repair and at the same time it provided comfortable handling properties, which could overcome the potential disadvantages as faced with MTA.

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          Most cited references17

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          Physicochemical basis of the biologic properties of mineral trioxide aggregate.

          N Sarkar, R Caicedo, P Ritwik … (2005)
          This study characterized the interactions of mineral trioxide aggregate with a synthetic tissue fluid composed of a neutral phosphate buffer saline solution and root canal dentin in extracted human teeth using inductively coupled plasma-atomic emission spectroscopy, scanning electron microscopy, energy dispersive X-ray analysis, and X-ray diffraction. Mineral trioxide aggregate exposed to synthetic tissue fluid at 37 degrees C released its metallic constituents and produced precipitates with a composition and structure similar to that of hydroxyapatite [Ca10(PO4)6(OH)2-HA]. Endodontically prepared teeth filled with mineral trioxide aggregate and stored in synthetic tissue fluid at 37 degrees C for 2 months produced at the dentin wall an adherent interfacial layer that resembled hydroxyapatite in composition. The authors conclude that Ca, the dominant ion released from mineral trioxide aggregate, reacts with phosphates in synthetic tissue fluid, yielding hydroxyapatite. The dentin-mineral trioxide aggregate interfacial layer results from a similar reaction. The sealing ability, biocompatibility, and dentinogenic activity of mineral trioxide aggregate is attributed to these physicochemical reactions.
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            Biomineralization ability and interaction of mineral trioxide aggregate and white portland cement with dentin in a phosphate-containing fluid.

            Jessie F. Reyes-Carmona, Mara Felippe, Wilson T Felippe (2009)
            Mineral trioxide aggregate (MTA) has been shown to be bioactive because of its ability to produce biologically compatible carbonated apatite. This study analyzed the interaction of MTA and white Portland cement with dentin after immersion in phosphate-buffered saline (PBS). Dentin disks with standardized cavities were filled with ProRoot MTA, MTA Branco, MTA BIO, white Portland cement + 20% bismuth oxide (PC1), or PC1 + 10% of calcium chloride (PC2) and immersed in 15 mL of PBS for 2 months. The precipitates were weighed and analyzed by scanning electron microscopy (SEM) and x-ray diffraction. The calcium ion release and pH of the solutions were monitored at 5, 15, 25, and 35 days. The samples were processed for SEM observations. Data were analyzed by using analysis of variance or Kruskall-Wallis tests. Our findings revealed the presence of amorphous calcium phosphate precipitates with different morphologies. The apatite formed by the cement-PBS system was deposited within collagen fibrils, promoting controlled mineral nucleation on dentin, observed as the formation of an interfacial layer with tag-like structures. All the cements tested were bioactive. The cements release some of their components in PBS, triggering the initial precipitation of amorphous calcium phosphates, which act as precursors during the formation of carbonated apatite. This spontaneous precipitation promotes a biomineralization process that leads to the formation of an interfacial layer with tag-like structures at the cement-dentin interface.
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              Evaluation of setting properties and retention characteristics of mineral trioxide aggregate when used as a furcation perforation repair material.

              S.R. Sluyk, P.C. Moon, G.R. Hartwell (1998)
              Furcation perforations were created in 32 extracted maxillary and mandibular molars. The perforations were prepared in the center of the pulp chamber floor parallel to the long axis of each tooth and a saline-moistened Gelfoam matrix was placed below the perforation to simulate a clinical condition. The teeth were randomly divided into four groups, and the perforations were all repaired with mineral trioxide aggregate (MTA) and then covered with either a wet or dry cotton pellet for 24 or 72 h. Instron testing was used to measure the force required to displace the material from the perforation. The force measurements showed that MTA resisted displacement at 72 h to a significantly greater level than at 24 h (p 0.05).
              Article 0 comments Cited 35 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): May-Jun 2013
                Volume: 16
                Issue: 3
                Pages: 247-251
                Affiliations
                [1]Department of Conservative Dentistry and Endodontics, Rajah Muthaiah Dental College and Hospital, Chennai, Tamil Nadu, India
                Author notes
                Address for correspondence: Dr. Janani Balachandran, No. 25 Subramaniam Street, Abhiramapuram, Chennai - 600 018, Tamil Nadu, India. E-mail: janani.balachandran@ 123456gmail.com
                Article
                Publisher ID: JCD-16-247
                DOI: 10.4103/0972-0707.111326
                PMC ID: 3698590
                PubMed ID: 23833460
                SO-VID: 34400a4c-fe75-4237-957a-5a698d040af3
                Copyright © Copyright: © Journal of Conservative Dentistry
                License:

                This is an open-access article distributed under the terms of the Creative Commons Attribution-Noncommercial-Share Alike 3.0 Unported, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                Date received : 15 August 2012
                Date revision received : 08 October 2012
                Date accepted : 25 December 2012
                Categories
                Subject: Original Article

                ScienceOpen disciplines: Dentistry
                Keywords: bioactive bone cement,dye extraction study,furcation repair,mineral trioxide aggregate,spectrophotometer
                Data availability:
                ScienceOpen disciplines: Dentistry
                Keywords: bioactive bone cement, dye extraction study, furcation repair, mineral trioxide aggregate, spectrophotometer

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