Journal of Conservative Dentistry
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Year : 2017  |  Volume : 20  |  Issue : 2  |  Page : 96-99

Comparison of apical debris extrusion during root canal preparation using instrumentation techniques with two operating principles: An in vitro study

Department of Conservative Dentistry and Endodontics, Vokkaligara Sangha Dental College, Bengaluru, Karnataka, India

Correspondence Address:
Mudita Verma
94-L New Colony, Gurgaon, Haryana - 122 001
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0972-0707.212239

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Aims: The aim of this study was to quantify the debris extruded apically from teeth using rotary and reciprocation instrumentation systems. Subjects and Methods: Eighty extracted human mandibular premolars with single canals and similar lengths were instrumented using ProTaper Universal (40, 06; Dentsply Maillefer, Ballaigues, Switzerland), ProTaper Next (40, 06; Dentsply Maillefer, Ballaigues, Switzerland), WaveOne (40, 06; Dentsply Maillefer, Ballaigues, Switzerland), and Reciproc (R40; VDW GmbH, Munich, Germany). Debris extruded during instrumentation was collected into preweighed Eppendorf tubes, which were then stored in an incubator at 70°C for 5 days. The final weight of the Eppendorf tubes with the extruded debris was calculated after obtaining the mean of three consecutive weights obtained for each tube. Statistical Analysis Used: Statistical analysis was performed using SPSS version 16.0 software. The groups were compared using the Kruskal–Wallis test for all variables. Results: There was no statistically significant difference between the groups (P = 0.1114). However, the ProTaper Universal group produced more extrusion and ProTaper Next produced least debris extrusion among the instrument groups (P > 0.05). Conclusions: All instrumentation techniques were associated with extruded debris.

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