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Influence of a glide path on apical extrusion of debris during canal preparation using single-file systems in curved canals.

Abstract：

AIM:To evaluate the effect of a glide path on the amount of apically extruded debris during canal preparation using single-file systems in curved canals. METHODOLOGY:Ninety extracted mandibular molar teeth were randomly assigned to six groups (n = 15 for each group) for canal instrumentation. Endodontic access cavities were prepared in each tooth. In three of the six groups, a glide path was not created whereas a glide path was created using PathFile instruments on the mesial canals of all teeth in the remaining three groups. The mesial canals of the teeth were then instrumented with the following single-file instrument systems: WaveOne, Reciproc and OneShape. Debris extruded apically during instrumentation was collected into pre-weighed Eppendorf tubes. The tubes were then stored in an incubator at 70 °C for 5 days. The weight of the dry extruded debris was established by subtracting the pre-instrumentation and post-instrumentation weight of the Eppendorf tubes for each group. The data obtained were analysed using one-way analysis of variance (anova) and Tukey's post hoc tests. RESULTS:The OneShape file was associated with less debris extrusion than the Reciproc and WaveOne files when canal instrumentation was performed without a glide path (P < 0.05). However, no significant difference was found between the Reciproc and WaveOne files (P > 0.05). There was no significant difference amongst the OneShape, Reciproc and WaveOne files when a glide path was created before canal preparation in curved root canals (P > 0.05). All systems extruded significantly less debris in groups with a glide path than in groups without a glide path (P < 0.05). CONCLUSIONS:All instruments were associated with apical extrusion of debris. Creating a glide path prior to canal instrumentation reduced the amount of apically extruded debris in curved canals.

journal_name

Int Endod J

journal_title

International endodontic journal

authors

Topçuoğlu HS,Düzgün S,Akpek F,Topçuoğlu G,Aktı A

doi

10.1111/iej.12484

subject

Has Abstract

pub_date

2016-06-01 00:00:00

pages

599-603

issue

eissn

0143-2885

issn

1365-2591

journal_volume

pub_type

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Influence of a glide path on apical extrusion of debris during canal preparation using single-file systems in curved canals.