An In Vitro Assessment of Gutta-Percha Coating of New Carrier-Based Root Canal Fillings
The first aim of this paper was to evaluate the push-out bond strength of the gutta-percha coating of Thermafil and GuttaCore and compare it with that of gutta-percha used to coat an experimental hydroxyapatite/polyethylene (HA/PE) obturator. The second aim was to assess the thickness of gutta-perch...
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Wiley
2014-01-01
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| Series: | The Scientific World Journal |
| Online Access: | http://dx.doi.org/10.1155/2014/239754 |
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| author | Raghad Abdulrazzaq Alhashimi Richard Foxton Shihab Romeed Sanjukta Deb |
| author_facet | Raghad Abdulrazzaq Alhashimi Richard Foxton Shihab Romeed Sanjukta Deb |
| author_sort | Raghad Abdulrazzaq Alhashimi |
| collection | DOAJ |
| description | The first aim of this paper was to evaluate the push-out bond strength of the gutta-percha coating of Thermafil and GuttaCore and compare it with that of gutta-percha used to coat an experimental hydroxyapatite/polyethylene (HA/PE) obturator. The second aim was to assess the thickness of gutta-percha around the carriers of GuttaCore and HA/PE obturators using microcomputed tomography (μCT). Ten (size 30) 1 mm thick samples of each group (Thermafil, GuttaCore, and HA/PE) were prepared. An orthodontic wire with a diameter of 0.5 mm was attached to the plunger of an Instron machine in order to allow the push-out testing of the gutta-percha coating. Five samples of (GuttaCore and HA/PE) were scanned using μCT. The data obtained were analysed with one-way analysis of variance and Tukey post hoc test. HA/PE obturators exhibited significantly higher push-out bond strength (P<0.001) determined at 6.84 ± 0.96 than those of Guttacore around 3.75 ± 0.75 and Thermafil at 1.5 ± 0.63. GuttaCore demonstrated significantly higher bond strength than Thermafil (P<0.001). μCT imaging revealed that the thickness of gutta-percha around the experimental HA/PE carrier was homogeneously distributed. The bondability and thickness of gutta-percha coating around HA/PE carriers were superior to those of GuttaCore and Thermafil obturators. |
| format | Article |
| id | doaj-art-c741dd1ffa314370ae08877bc7e13b0a |
| institution | OA Journals |
| issn | 2356-6140 1537-744X |
| language | English |
| publishDate | 2014-01-01 |
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| series | The Scientific World Journal |
| spelling | doaj-art-c741dd1ffa314370ae08877bc7e13b0a2025-08-20T02:20:05ZengWileyThe Scientific World Journal2356-61401537-744X2014-01-01201410.1155/2014/239754239754An In Vitro Assessment of Gutta-Percha Coating of New Carrier-Based Root Canal FillingsRaghad Abdulrazzaq Alhashimi0Richard Foxton1Shihab Romeed2Sanjukta Deb3Department of Conservative Dentistry, King’s College London Dental Institute, Floor 25, Tower Wing, Guy’s Hospital, London Bridge, London SE1 9RT, UKDepartment of Restorative Dentistry, King’s College London Dental Institute, Floor 25, Tower Wing, Guy’s Hospital, London Bridge, London SE1 9RT, UKBiomaterials, Biomimetics, Biophotonics Research Division, King’s College London Dental Institute, Floor 17, Tower Wing, Guy’s Hospital, London Bridge, London SE1 9RT, UKBiomaterials, Biomimetics, Biophotonics Research Division, King’s College London Dental Institute, Floor 17, Tower Wing, Guy’s Hospital, London Bridge, London SE1 9RT, UKThe first aim of this paper was to evaluate the push-out bond strength of the gutta-percha coating of Thermafil and GuttaCore and compare it with that of gutta-percha used to coat an experimental hydroxyapatite/polyethylene (HA/PE) obturator. The second aim was to assess the thickness of gutta-percha around the carriers of GuttaCore and HA/PE obturators using microcomputed tomography (μCT). Ten (size 30) 1 mm thick samples of each group (Thermafil, GuttaCore, and HA/PE) were prepared. An orthodontic wire with a diameter of 0.5 mm was attached to the plunger of an Instron machine in order to allow the push-out testing of the gutta-percha coating. Five samples of (GuttaCore and HA/PE) were scanned using μCT. The data obtained were analysed with one-way analysis of variance and Tukey post hoc test. HA/PE obturators exhibited significantly higher push-out bond strength (P<0.001) determined at 6.84 ± 0.96 than those of Guttacore around 3.75 ± 0.75 and Thermafil at 1.5 ± 0.63. GuttaCore demonstrated significantly higher bond strength than Thermafil (P<0.001). μCT imaging revealed that the thickness of gutta-percha around the experimental HA/PE carrier was homogeneously distributed. The bondability and thickness of gutta-percha coating around HA/PE carriers were superior to those of GuttaCore and Thermafil obturators.http://dx.doi.org/10.1155/2014/239754 |
| spellingShingle | Raghad Abdulrazzaq Alhashimi Richard Foxton Shihab Romeed Sanjukta Deb An In Vitro Assessment of Gutta-Percha Coating of New Carrier-Based Root Canal Fillings The Scientific World Journal |
| title | An In Vitro Assessment of Gutta-Percha Coating of New Carrier-Based Root Canal Fillings |
| title_full | An In Vitro Assessment of Gutta-Percha Coating of New Carrier-Based Root Canal Fillings |
| title_fullStr | An In Vitro Assessment of Gutta-Percha Coating of New Carrier-Based Root Canal Fillings |
| title_full_unstemmed | An In Vitro Assessment of Gutta-Percha Coating of New Carrier-Based Root Canal Fillings |
| title_short | An In Vitro Assessment of Gutta-Percha Coating of New Carrier-Based Root Canal Fillings |
| title_sort | in vitro assessment of gutta percha coating of new carrier based root canal fillings |
| url | http://dx.doi.org/10.1155/2014/239754 |
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