Evaluation of apically extruded debris during root canal preparation in primary molar teeth using three different rotary systems and hand files.

Abstract:

AIM:To assess the amount of debris extruded apically during root canal preparation using various nickel titanium instrumentation systems and hand files in primary molar teeth. DESIGN:Sixty extracted primary first mandibular molar human teeth were randomly assigned to four groups (n = 15 teeth for each group). The canals were then instrumented with the following instrument systems: Revo-S, Mtwo, ProTaper Next, and hand files. Apically extruded debris during instrumentation was collected into pre-weighed Eppendorf tubes. The Eppendorf 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 were analyzed using one-way analysis of variance (anova) and Tukey's post hoc tests. RESULTS:ProTaper Next files were associated with less apically extruded debris than the Mtwo, Revo-S, and hand files (P < 0.05). Hand files extruded more debris than Mtwo and Revo-S instruments (P < 0.05), but there was no significant difference found between the Mtwo and Revo-S instruments (P > 0.05). CONCLUSIONS:All instruments were associated with apical extrusion of debris. ProTaper Next files caused less debris extrusion compared to the other systems used.

journal_name

Int J Paediatr Dent

authors

Topçuoğlu G,Topçuoğlu HS,Akpek F

doi

10.1111/ipd.12208

subject

Has Abstract

pub_date

2016-09-01 00:00:00

pages

357-63

issue

5

eissn

0960-7439

issn

1365-263X

journal_volume

26

pub_type

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