J Dent Res Dent Clin Dent Prospects. 2018;12(4):272-276.
doi: 10.15171/joddd.2018.042
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Original Article

Apically extruded debris and irrigants during root canal filling material removal using Reciproc Blue, WaveOne Gold, R-Endo and ProTaper Next systems

Cangul Keskin 1 * , Evren Sarıyılmaz 2

1 Department of Endodontics, Faculty of Dentistry, Ondokuz Mayis University, Samsun, Turkey
2 Department of Endodontics, Faculty of Dentistry, Ordu University Ordu, Turkey

Abstract

Background. The present study aimed to compare the amount of apically extruded debris and irrigants produced by various nickel-titanium instruments.

Methods. A total of 100 single-rooted mandibular premolar teeth were root canal treated and prepared for agar gel model. The root canal fillings were removed using Reciproc Blue, ProTaper Next, R-Endo, WaveOne Gold systems or hand instrumentation. The mean weights of apically extruded materials were calculated. Data were statistically analyzed using one-way ANOVA and post hoc Bonferroni tests.

Results. Hand instrumentation resulted in significantly more debris and irrigants than other systems (P<0.05). The mean amount of apically extruded debris and irrigants produced by Reciproc Blue system was significantly greater than motordriven instruments (P<0.05). No significant difference was detected between ProTaper Next and WaveOne Gold systems (P>0.05), while they both produced significantly less apically extruded material than R-Endo system (P<0.05).

Conclusion. All the instruments caused apical extrusion. ProTaper Next and WaveOne Gold systems were associated with significantly less apical extrusion.

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Submitted: 25 Dec 2018
Accepted: 18 Nov 2018
First published online: 26 Dec 2018
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