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ORIGINAL ARTICLE
Year : 2020  |  Volume : 32  |  Issue : 4  |  Page : 181-186

A comparative evaluation of apical extrusion of debris during endodontic instrumentation with continuous rotation and reciprocating motion: An in vitro study


1 Department of Conservative Dentistry and Endodontics, College of Dental Science and Hospital, Indore, Madhya Pradesh, India
2 Department of Prosthodontics, College of Dental Science and Hospital, Indore, Madhya Pradesh, India

Correspondence Address:
Dr. Shrija Paradkar
50, Chanakya Puri, Annapurna Road, Indore, Madhya Pradesh
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/endo.endo_88_19

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Aim: The aim is to compare the apical extrusion of debris during endodontic instrumentation with continuous rotation and reciprocating motion. Materials and Methods: Sixty extracted single-rooted mandibular premolar human teeth were randomly assigned to four groups of 15 teeth each. The canals were then instrumented with the following instrument systems: ProTaper Next (PTN; Dentsply Maillefer, Ballaigues, Switzerland), 2Shape (TS; MicroMega, Besancon, France), Reciproc Blue (RB; VDW, Munich, Germany) and WaveOne Gold (WOG; Dentsply Sirona, Ballaigues, Switzerland). 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 weight from postinstrumentation weight of the Eppendorf tubes. The data were analyzed using one-way analysis of variance and Tukey's Post hoc tests. Results: Among the instruments tested in the present study, the least amount of extrusion of debris was seen with TS rotary file system (Group IA) followed by RB (Group IIA) and WOG (Group IIB) (P < 0.05), the results, however, were not found to be statistically significant between them. The maximum amount of debris extrusion was observed with PTN (Group IB) with a statistically significant difference when compared to TS, RB, and WOG file system (P > 0.05). Conclusion: All instruments were associated with apical extrusion of debris with TS rotary file system associated minimum extrusion and PTN, resulting in maximum extrusion of debris.


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