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      • Record: found
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      Is Open Access

      Sealing Ability Promoted by Three Different Endodontic Sealers

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          Abstract

          INTRODUCTION

          The aim of this study was to evaluate the apical and coronal seal of endodontic filling promoted by the combined use of Sealer 26/gutta-percha, Endofill/gutta-percha and Resilon/ Epiphany.

          MATERIALS AND METHODS

          A total of 38 extracted human canine teeth were selected; 10 teeth for each test group and 4 for each control group. After conducting conventional endodontic treatment, the teeth were immersed in saline solution for thirty days, and subsequently sealed and stored in India ink for seven days. They were then cleaned and evaluated for infiltration by stereoscopic microscope. The data were statistically analyzed by ANOVA and Bonferroni tests.

          RESULTS

          The results showed no significant differences between the three groups of filling materials used.

          CONCLUSION

          Within the limitations of this in vitro study, no material showed superiority in their apical and coronal seal.

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          Most cited references34

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          An evaluation of microbial leakage in roots filled with a thermoplastic synthetic polymer-based root canal filling material (Resilon).

          F. Teixeira, G Shipper, Martin Trope … (2004)
          The purpose of this study was to compare bacterial leakage using Streptococcus mutans and Enterococcus faecalis through gutta-percha and a thermoplastic synthetic polymer-based root filling (Resilon) using two filling techniques during a 30-day period. Teeth were decoronated, roots prepared to a length of 16 mm, and instrumented to ISO sizes 40 to 50. A total of 156 roots were randomly divided into 8 groups of 15 roots (groups 1-8) and 3 control groups (12 roots each). Roots were filled using lateral and vertical condensation techniques with gutta-percha and AH 26 sealer (groups 1 and 2) or with gutta-percha and Epiphany sealer (groups 3 and 4). Groups 5 and 6 were filled with Resilon and Epiphany sealer using the lateral or vertical condensation techniques. A split chamber microbial leakage model was used in which S. mutans placed in the upper chamber could reach the lower chamber only through the filled canal. Groups 7 and 8 were identical to groups 5 and 6 respectively; however, E. faecalis was used to test the leakage. Positive controls were filled with Resilon (12 roots) and gutta-percha (12 roots) without sealer and tested with bacteria, whereas negative controls (12 roots) were sealed with wax to test the seal between chambers. All but one positive control leaked within 24 h, whereas none of the negative controls leaked. Resilon showed minimal leakage (group 8: one leakage; groups 5-7: each with two leakages), which was significantly less than gutta-percha, in which approximately 80% of specimens with either technique or sealer leaked. Kruskal-Wallis test showed statistical significance when all groups were compared (p < 0.05). Mann-Whitney U test compared the respective groups and found Resilon groups superior to gutta-percha groups (p < 0.05).
          Article 0 comments Cited 72 times – based on 0 reviews     Review now
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            Fracture resistance of roots endodontically treated with a new resin filling material.

            F. Teixeira, Y Thompson, Erica Teixeira … (2004)
            The authors evaluated the fracture resistance of endodontically treated teeth filled with either gutta-percha or a new resin-based obturation material. The authors prepared and randomly divided 80 single-canal extracted teeth into five groups: lateral and vertical condensation with gutta-percha, lateral and vertical condensation with the new resin-based obturation material, and a control group with no filling material. The specimens were stored in 100 percent humidity for two weeks, mounted in polyester resin and loaded to failure. The authors found statistically significant differences among the experimental groups (P < .05). The groups with the new material displayed higher mean fracture loads and the gutta-percha groups lower mean fracture load values than the control unfilled group. However, the differences were not significant. The groups with the new material displayed significantly higher mean fracture loads than gutta-percha groups independent of the filling technique used. Filling the canals with the new resin-based obturation material increased the in vitro resistance to fracture of endodontically treated single-canal extracted teeth when compared with standard gutta-percha techniques. CLINICAL IMPLICATIONS; If other properties of the new resin-based obturation material compare favorably with those of gutta-percha for filling the root canal, it should be considered as a replacement for gutta-percha, as the results of this study indicate that it could provide enhanced resistance to tooth fracture.
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              Calcium hydroxide-based root canal sealers: a review.

              Sima Desai, N Chandler (2009)
              The aim of this review was to consider laboratory experiments and clinical studies of calcium hydroxide-based root canal sealers. An extensive search of the endodontic literature was made to identify publications related to calcium hydroxide-based root canal sealers. The articles were assessed for the outcome of laboratory and clinical studies on their biological properties and physical characteristics. Comparative studies with other sealers were also considered. Several studies were evaluated covering different properties of calcium hydroxide-based sealers including physical properties, biocompatibility, leakage, adhesion, solubility, antibacterial properties, and periapical healing effect. Calcium hydroxide-based root canal sealers have a variety of physical and biological properties. Comparative studies reveal their mild cytotoxicity, but their antibacterial effects are variable. Further research is required to establish the tissue healing properties of calcium hydroxide in root canal sealers.
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                Author and article information

                Journal
                Journal ID (nlm-ta): Iran Endod J
                Journal ID (iso-abbrev): Iran Endod J
                Journal ID (publisher-id): ICER
                Title: Iranian Endodontic Journal
                Publisher: Iranian Center for Endodontic Research
                ISSN (Print): 1735-7497
                ISSN (Electronic): 2008-2746
                Publication date (Print): Spring 2011
                Publication date (Electronic): 15 May 2011
                Volume: 6
                Issue: 2
                Pages: 86-89
                Affiliations
                [1. ]State University of Southwest Bahia, Bahia, Brazil.
                [2. ]Piracicaba Dental School, State University of Campinas, Campinas, Brazil.
                [3. ]Federal University of Pará, Pará, Brazil.
                Author notes
                [* ]Corresponding author at: Graziele Silva, State University of Southwest Bahia, Bahia, Brazil, E-mail: grazieless@ 123456hotmail.com
                Article
                PMC ID: 3487512
                PubMed ID: 23130058
                SO-VID: 91750bf0-8af4-43bc-9965-0148ccbfcfed
                Copyright © Copyright © Iranian Endodontic Journal, 2011.
                License:

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

                History
                Date received : 25 December 2010
                Date accepted : 18 February 2011
                Date revision received : 13 January 2011
                Categories
                Subject: Original Article

                ScienceOpen disciplines: Dentistry
                Keywords: root canal filling,endodontics,clearing,resilon,sealer,microleakage
                Data availability:
                ScienceOpen disciplines: Dentistry
                Keywords: root canal filling, endodontics, clearing, resilon, sealer, microleakage

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