Efficacy of Reciprocating Instruments in the Removal of Bioceramic and Epoxy Resin-Based Sealers: Micro-CT Analysis
The objective of this study was to evaluate the efficacy of reciprocating instruments in the removal of bioceramic and epoxy resin-based sealers using micro-CT analysis. Root canals of 40 extracted human teeth were instrumented with a size R25 Reciproc instrument. Specimens were randomly divided int...
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MDPI AG
2021
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oai:doaj.org-article:392113d7ef4a4941ab5e231535c5b8f02021-11-11T18:11:00ZEfficacy of Reciprocating Instruments in the Removal of Bioceramic and Epoxy Resin-Based Sealers: Micro-CT Analysis10.3390/ma142166701996-1944https://doaj.org/article/392113d7ef4a4941ab5e231535c5b8f02021-11-01T00:00:00Zhttps://www.mdpi.com/1996-1944/14/21/6670https://doaj.org/toc/1996-1944The objective of this study was to evaluate the efficacy of reciprocating instruments in the removal of bioceramic and epoxy resin-based sealers using micro-CT analysis. Root canals of 40 extracted human teeth were instrumented with a size R25 Reciproc instrument. Specimens were randomly divided into two groups (n = 20) according to the root canal filling material. In the first group, root canals were obturated with AH Plus sealer and Reciproc R25 gutta-percha. In the second group, a combination of bioceramic gutta-percha (TotalFill BC) and bioceramic sealer (TotalFill BC) was used. After one week, the retreatment of all specimens was performed using Reciproc instruments. To analyze the differences in the filling remnants, specimens were scanned in a micro-CT device after obturation and after the retreatment procedure. Statistical analysis was performed using the Mann–Whitney U test (<i>p</i> < 0.05). A combination of bioceramic sealer and bioceramic gutta-percha was more effectively removed from canals using a reciprocating instrument, with a filling remnants volume of 4.01 ± 3.13 mm<sup>3</sup>, in comparison to the combination of epoxy resin-based sealer and gutta-percha (6.96 ± 2.70 mm<sup>3</sup>) (<i>p</i> < 0.05). A reciprocating instrument was more effective in removing bioceramic sealers than epoxy resin-based sealers, although none of the root canal filling materials were completely removed from the root canals.Marko RajdaIvana MiletićGorana BaršićSilvana Jukić KrmekDamir ŠnjarićAnja BarabaMDPI AGarticlebioceramic sealerepoxy resin-based sealerretreatmentmicro-CT analysisTechnologyTElectrical engineering. Electronics. Nuclear engineeringTK1-9971Engineering (General). Civil engineering (General)TA1-2040MicroscopyQH201-278.5Descriptive and experimental mechanicsQC120-168.85ENMaterials, Vol 14, Iss 6670, p 6670 (2021) |
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bioceramic sealer epoxy resin-based sealer retreatment micro-CT analysis Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85 |
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bioceramic sealer epoxy resin-based sealer retreatment micro-CT analysis Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85 Marko Rajda Ivana Miletić Gorana Baršić Silvana Jukić Krmek Damir Šnjarić Anja Baraba Efficacy of Reciprocating Instruments in the Removal of Bioceramic and Epoxy Resin-Based Sealers: Micro-CT Analysis |
description |
The objective of this study was to evaluate the efficacy of reciprocating instruments in the removal of bioceramic and epoxy resin-based sealers using micro-CT analysis. Root canals of 40 extracted human teeth were instrumented with a size R25 Reciproc instrument. Specimens were randomly divided into two groups (n = 20) according to the root canal filling material. In the first group, root canals were obturated with AH Plus sealer and Reciproc R25 gutta-percha. In the second group, a combination of bioceramic gutta-percha (TotalFill BC) and bioceramic sealer (TotalFill BC) was used. After one week, the retreatment of all specimens was performed using Reciproc instruments. To analyze the differences in the filling remnants, specimens were scanned in a micro-CT device after obturation and after the retreatment procedure. Statistical analysis was performed using the Mann–Whitney U test (<i>p</i> < 0.05). A combination of bioceramic sealer and bioceramic gutta-percha was more effectively removed from canals using a reciprocating instrument, with a filling remnants volume of 4.01 ± 3.13 mm<sup>3</sup>, in comparison to the combination of epoxy resin-based sealer and gutta-percha (6.96 ± 2.70 mm<sup>3</sup>) (<i>p</i> < 0.05). A reciprocating instrument was more effective in removing bioceramic sealers than epoxy resin-based sealers, although none of the root canal filling materials were completely removed from the root canals. |
format |
article |
author |
Marko Rajda Ivana Miletić Gorana Baršić Silvana Jukić Krmek Damir Šnjarić Anja Baraba |
author_facet |
Marko Rajda Ivana Miletić Gorana Baršić Silvana Jukić Krmek Damir Šnjarić Anja Baraba |
author_sort |
Marko Rajda |
title |
Efficacy of Reciprocating Instruments in the Removal of Bioceramic and Epoxy Resin-Based Sealers: Micro-CT Analysis |
title_short |
Efficacy of Reciprocating Instruments in the Removal of Bioceramic and Epoxy Resin-Based Sealers: Micro-CT Analysis |
title_full |
Efficacy of Reciprocating Instruments in the Removal of Bioceramic and Epoxy Resin-Based Sealers: Micro-CT Analysis |
title_fullStr |
Efficacy of Reciprocating Instruments in the Removal of Bioceramic and Epoxy Resin-Based Sealers: Micro-CT Analysis |
title_full_unstemmed |
Efficacy of Reciprocating Instruments in the Removal of Bioceramic and Epoxy Resin-Based Sealers: Micro-CT Analysis |
title_sort |
efficacy of reciprocating instruments in the removal of bioceramic and epoxy resin-based sealers: micro-ct analysis |
publisher |
MDPI AG |
publishDate |
2021 |
url |
https://doaj.org/article/392113d7ef4a4941ab5e231535c5b8f0 |
work_keys_str_mv |
AT markorajda efficacyofreciprocatinginstrumentsintheremovalofbioceramicandepoxyresinbasedsealersmicroctanalysis AT ivanamiletic efficacyofreciprocatinginstrumentsintheremovalofbioceramicandepoxyresinbasedsealersmicroctanalysis AT goranabarsic efficacyofreciprocatinginstrumentsintheremovalofbioceramicandepoxyresinbasedsealersmicroctanalysis AT silvanajukickrmek efficacyofreciprocatinginstrumentsintheremovalofbioceramicandepoxyresinbasedsealersmicroctanalysis AT damirsnjaric efficacyofreciprocatinginstrumentsintheremovalofbioceramicandepoxyresinbasedsealersmicroctanalysis AT anjabaraba efficacyofreciprocatinginstrumentsintheremovalofbioceramicandepoxyresinbasedsealersmicroctanalysis |
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