Influence of Apical Preparation Size and Working Length on Debris Extrusion
Abstract The aim of this study was to quantitatively evaluate the amount of apically extruded debris by single-file reciprocating instruments with different working lengths and apical preparation sizes. Eighty human single-rooted mandibular incisors were used and conventional access cavities were prepared. Then, the specimens were divided into four groups (n=20), according to root canal instrumentation: Reciproc size 25, .08 taper and Reciproc size 40, .06 taper instruments were used at the foramen; Reciproc size 25, .08 taper and Reciproc size 40, .06 taper instruments were used 1 mm short of the foramen. Distilled water was used as an irrigant and the apically extruded debris were collected in pre-weighted glass vials and dried afterwards. The mean weight of debris was weighed with a microbalance and statistically analyzed using one-way analysis of variance and the post hoc Tukey multiple comparison test (p<0.05). The results showed that all experimental groups were associated with debris extrusion. No significant difference was found in the amount of apically extruded debris among all experimental groups (p>0.05). The present study demonstrated that the working length and the apical preparation size did not have a significant effect on debris extrusion when performing single-file reciprocating instrumentation.
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Fundação Odontológica de Ribeirão Preto
2016
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oai:scielo:S0103-644020160001000282016-03-18Influence of Apical Preparation Size and Working Length on Debris ExtrusionSilva,Emmanuel João Nogueira LealTeixeira,João M.Kudsi,NancySassone,Luciana M.Krebs,Renato L.Coutinho-Filho,Tauby S. debris extrusion foraminal instrumentation apical preparation Reciproc. Abstract The aim of this study was to quantitatively evaluate the amount of apically extruded debris by single-file reciprocating instruments with different working lengths and apical preparation sizes. Eighty human single-rooted mandibular incisors were used and conventional access cavities were prepared. Then, the specimens were divided into four groups (n=20), according to root canal instrumentation: Reciproc size 25, .08 taper and Reciproc size 40, .06 taper instruments were used at the foramen; Reciproc size 25, .08 taper and Reciproc size 40, .06 taper instruments were used 1 mm short of the foramen. Distilled water was used as an irrigant and the apically extruded debris were collected in pre-weighted glass vials and dried afterwards. The mean weight of debris was weighed with a microbalance and statistically analyzed using one-way analysis of variance and the post hoc Tukey multiple comparison test (p<0.05). The results showed that all experimental groups were associated with debris extrusion. No significant difference was found in the amount of apically extruded debris among all experimental groups (p>0.05). The present study demonstrated that the working length and the apical preparation size did not have a significant effect on debris extrusion when performing single-file reciprocating instrumentation.info:eu-repo/semantics/openAccessFundação Odontológica de Ribeirão PretoBrazilian Dental Journal v.27 n.1 20162016-02-01info:eu-repo/semantics/articletext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-64402016000100028en10.1590/0103-6440201600337 |
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Silva,Emmanuel João Nogueira Leal Teixeira,João M. Kudsi,Nancy Sassone,Luciana M. Krebs,Renato L. Coutinho-Filho,Tauby S. |
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Silva,Emmanuel João Nogueira Leal Teixeira,João M. Kudsi,Nancy Sassone,Luciana M. Krebs,Renato L. Coutinho-Filho,Tauby S. Influence of Apical Preparation Size and Working Length on Debris Extrusion |
author_facet |
Silva,Emmanuel João Nogueira Leal Teixeira,João M. Kudsi,Nancy Sassone,Luciana M. Krebs,Renato L. Coutinho-Filho,Tauby S. |
author_sort |
Silva,Emmanuel João Nogueira Leal |
title |
Influence of Apical Preparation Size and Working Length on Debris Extrusion |
title_short |
Influence of Apical Preparation Size and Working Length on Debris Extrusion |
title_full |
Influence of Apical Preparation Size and Working Length on Debris Extrusion |
title_fullStr |
Influence of Apical Preparation Size and Working Length on Debris Extrusion |
title_full_unstemmed |
Influence of Apical Preparation Size and Working Length on Debris Extrusion |
title_sort |
influence of apical preparation size and working length on debris extrusion |
description |
Abstract The aim of this study was to quantitatively evaluate the amount of apically extruded debris by single-file reciprocating instruments with different working lengths and apical preparation sizes. Eighty human single-rooted mandibular incisors were used and conventional access cavities were prepared. Then, the specimens were divided into four groups (n=20), according to root canal instrumentation: Reciproc size 25, .08 taper and Reciproc size 40, .06 taper instruments were used at the foramen; Reciproc size 25, .08 taper and Reciproc size 40, .06 taper instruments were used 1 mm short of the foramen. Distilled water was used as an irrigant and the apically extruded debris were collected in pre-weighted glass vials and dried afterwards. The mean weight of debris was weighed with a microbalance and statistically analyzed using one-way analysis of variance and the post hoc Tukey multiple comparison test (p<0.05). The results showed that all experimental groups were associated with debris extrusion. No significant difference was found in the amount of apically extruded debris among all experimental groups (p>0.05). The present study demonstrated that the working length and the apical preparation size did not have a significant effect on debris extrusion when performing single-file reciprocating instrumentation. |
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Fundação Odontológica de Ribeirão Preto |
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2016 |
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http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-64402016000100028 |
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