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Year : 2018  |  Volume : 8  |  Issue : 2  |  Page : 111-116

Effectiveness of different irrigation devices on the smear layer removal in the apical portion of curved root canals: A scanning electron microscopy study

1 Department of Conservative Dentistry and Endodontics, Meenakshi Ammal Dental College, Chennai, Tamil Nadu, India
2 Department of Conservative Dentistry and Endodontics, V.S. Dental College, Bengaluru, Karnataka, India

Correspondence Address:
Dr. Dinesh Kowsky
Department of Conservative Dentistry and Endodontics, Meenakshi Ammal Dental College, Alapakkam Main Road, Maduravoyal, Chennai - 600 095, Tamil Nadu
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/sej.sej_57_17

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Aim: The aim of this study is to evaluate the smear layer removal efficiency of Max-I-Probe, EndoActivator, and EndoVac at three different levels in the apical portion of curved root canals. Materials and Methods: Mandibular molars with angles of root curvature between 25 and 40 degrees were selected and divided into three groups. The specimens were instrumented to size 35/0.04. Group 1 received conventional irrigation with Max-I-Probe needle; Group 2 and Group 3 were irrigated with EndoActivator and EndoVac, respectively. Following shaping and cleaning, the roots were observed under scanning electron microscope for smear layer at three levels (1 mm, 3 mm, and 5 mm from working length). One-way analysis of variance was calculated and to find the exact significance among the groups a post hoc test, i.e., Bonferroni test was performed. Results: The level of significance was set as P < 0.05. The EndoVac system resulted in a significantly better smear layer removal than the Max-I-Probe needle at all levels. The EndoVac also demonstrated enhanced smear layer removal than the EndoActivator at 3 mm and 1 mm levels. Conclusions: The application of EndoVac system could enhance smear layer removal at the apical portion of curved canals.

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