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ORIGINAL ARTICLE
Year : 2015  |  Volume : 18  |  Issue : 2  |  Page : 89-93

The self-adjusting file instrumentation results in less debris extrusion apically when compared to WaveOne and ProTaper NEXT


1 Department of Conservative Dentistry and Endodontics, Dnyandeo Yashwantrao Patil Dental School and Hospital, Lohegaon, Pune, India
2 Department of Conservative Dentistry and Endodontics, Government Dental College and Hospital, Mumbai, India
3 Department of Endodontology, The Goldschleger School of Dental Medicine, Tel Aviv University, Tel Aviv, Israel
4 Department of Conservative Dentistry and Endodontics, Yashwant Memorial Trust Dental College and Hospital, Kharghar, Navi-Mumbai, Maharashtra, India

Correspondence Address:
Ajinkya M Pawar
Y-10/155, Government Colony, Bandra East, Mumbai - 400 051, Maharashtra
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0972-0707.153057

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Aim: The present ex vivo study aimed to evaluate the debris extrusion after instrumenting the root canals by three different files systems. Materials and Methods: Sixty extracted human mandibular premolars with single canals were selected and randomly divided into three groups (n = 20) for instrumentation with three different files. Group 1: WaveOne (primary) single reciprocating file (WO; Dentsply Maillefer, Ballaigues, Switzerland) (25/08), Group 2: Self-adjusting file (SAF; ReDent-Nova, Ra'anana, Israel) (1.5 mm), and Group 3: ProTaper NEXT X1 and X2 (PTN; Dentsply Tulsa Dental, Tulsa, OK) (25/06). Debris extruding by instrumentation were collected into pre-weighed Eppendorf tubes. These tubes were then stored in an incubator at 70΀ C for 5 days. The tubes were then weighed to obtain the final weight, with the extruded debris. Statistical analysis for the debris extruded apically was performed using one-way analysis of variance and post hoc Tukey's test. Results: The statistical analysis showed a significant difference between all the three groups tested (P < 0.01). The following post hoc Tukey's test confirmed that Group 2 (SAF) exhibited significantly least (P < 0.01) debris extrusion between the three groups tested. Conclusions: The SAF resulted in significantly less extrusion of debris when compared to reciprocating WO and rotary PTN.


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