EFFECTIVENESS OF FOUR DIFFERENT FINAL IRRIGATION ACTIVATION TECHNIQUES ON SMEAR LAYER REMOVAL IN CURVED ROOT CANALS : A SCANNING ELECTRON MICROSCOPY STUDY

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AHUJA PUNEET; NANDINI SURESH; BALLAL SUMA; VELMURUGAN NATANASABAPATHY

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Journal: Frontiers in Dentistry Year:2014 | Volume:11 | Issue:1 Page(s): 1-9

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Title

EFFECTIVENESS OF FOUR DIFFERENT FINAL IRRIGATION ACTIVATION TECHNIQUES ON SMEAR LAYER REMOVAL IN CURVED ROOT CANALS : A SCANNING ELECTRON MICROSCOPY STUDY

Author(s)

AHUJA PUNEET | NANDINI SURESH | BALLAL SUMA | VELMURUGAN NATANASABAPATHY | Issue Writer Certificate

Keywords

ROOT CANALS

SODIUM HYPOCHLORITE

SMEAR LAYER

ROOT CANAL PREPARATION

Abstract

Objective: The aim of this study was to assess the efficacy of apical negative pressure (ANP), manual dynamic agitation (MDA), passive ultrasonic irrigation (PUI) and needle irrigation (NI) as final irrigation activation techniques for SMEAR LAYER removal in curved ROOT CANALS.Materials and Methods: Mesiobuccal ROOT CANALS of 80 freshly extracted maxillary first molars with curvatures ranging between 25o and 35o were used. A glide path with #08-15 K files was established before cleaning and shaping with M two rotary instruments (VDW, Munich, Germany) up to size 35/0.04 taper. During instrumentation, 1 ml of 2.5% NaOCl was used at each change of file. Samples were di-vided into 4 equal groups (n=20) according to the final irrigation activation technique: group 1, apical negative pressure (ANP) (EndoVac); group 2, manual dynamic agitation (MDA); group 3, passive ultrasonic irrigation (PUI); and group 4, needle irrigation (NI). ROOT CANALS were split longitudinally and subjected to scanning electron microscopy. The presence of SMEAR LAYER at coronal, middle and apical levels was evaluated by superimposing 300-μm square grid over the obtained photomicrographs using a four-score scale with X1, 000 magnification.Results: Amongst all the groups tested, ANP showed the overall best SMEAR LAYER removal efficacy (p<0.05). Removal of SMEAR LAYER was least effective with the NI technique.Conclusion: ANP (EndoVac system) can be used as the final irrigation activation technique for effective SMEAR LAYER removal in curved ROOT CANALS.

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APA: Copy

AHUJA, PUNEET, NANDINI, SURESH, BALLAL, SUMA, & VELMURUGAN, NATANASABAPATHY. (2014). EFFECTIVENESS OF FOUR DIFFERENT FINAL IRRIGATION ACTIVATION TECHNIQUES ON SMEAR LAYER REMOVAL IN CURVED ROOT CANALS : A SCANNING ELECTRON MICROSCOPY STUDY. FRONTIERS IN DENTISTRY (JOURNAL OF DENTISTRY OF TEHRAN UNIVERSITY OF MEDICAL SCIENCES), 11(1), 1-9. SID. https://sid.ir/paper/298101/en

Vancouver: Copy

AHUJA PUNEET, NANDINI SURESH, BALLAL SUMA, VELMURUGAN NATANASABAPATHY. EFFECTIVENESS OF FOUR DIFFERENT FINAL IRRIGATION ACTIVATION TECHNIQUES ON SMEAR LAYER REMOVAL IN CURVED ROOT CANALS : A SCANNING ELECTRON MICROSCOPY STUDY. FRONTIERS IN DENTISTRY (JOURNAL OF DENTISTRY OF TEHRAN UNIVERSITY OF MEDICAL SCIENCES)[Internet]. 2014;11(1):1-9. Available from: https://sid.ir/paper/298101/en

IEEE: Copy

PUNEET AHUJA, SURESH NANDINI, SUMA BALLAL, and NATANASABAPATHY VELMURUGAN, “EFFECTIVENESS OF FOUR DIFFERENT FINAL IRRIGATION ACTIVATION TECHNIQUES ON SMEAR LAYER REMOVAL IN CURVED ROOT CANALS : A SCANNING ELECTRON MICROSCOPY STUDY,” FRONTIERS IN DENTISTRY (JOURNAL OF DENTISTRY OF TEHRAN UNIVERSITY OF MEDICAL SCIENCES), vol. 11, no. 1, pp. 1–9, 2014, [Online]. Available: https://sid.ir/paper/298101/en

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