EFFECT OF MASTER APICAL FILE SIZE AND TAPER ON IRRIGATION AND CLEANING OF THE APICAL THIRD OF CURVED CANALS

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MOHAMMADZADEH AKHLAGHI NAHID; DADRESANFAR BAHAREH; DARMIANI SOHEILA; MOSHARI AMIRABBAS

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Journal Paper

Paper Information

Journal: Frontiers in Dentistry Year:2014 | Volume:11 | Issue:2 Page(s): 188-195

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Title

EFFECT OF MASTER APICAL FILE SIZE AND TAPER ON IRRIGATION AND CLEANING OF THE APICAL THIRD OF CURVED CANALS

Author(s)

MOHAMMADZADEH AKHLAGHI NAHID | DADRESANFAR BAHAREH | DARMIANI SOHEILA | MOSHARI AMIRABBAS | Issue Writer Certificate

Keywords

CANAL CURVATURE

DEBRIS

IRRIGANTS

SMEAR LAYER

SIZE

TAPER

Abstract

Objective: Canal preparation generates a substantial amount of DEBRIS and SMEAR LAYER (SL). The SIZE and TAPER of the Master Apical File (MAF) affects on penetration of IRRIGANTS and subsequently canal cleaning efficacy.The aim of this study was to evaluate the effect of MAF SIZE and TAPER on penetration of IRRIGANTS to the apical third of curved mesiobuccal (MB) canals of mandibular first molars.Materials and Methods: Eighty-nine human mandibular first molars were divided into one control group (n=5) without rotary instrumentation and 6 experimental groups (n=14 each) that were prepared with the following RaCe rotary files as MAF: 25.04 (group1), 25.06 (group 2), 30.04 (group 3), 30.06 (group 4), 35.04 (group 5) and 35.06 (group 6). All the experimental groups were rinsed with 2 ml of 17 % EDTA followed by 2 ml of 5.25% NaOCl. Debridement of the MB canals was evaluated using scanning electron microscope (SEM). The data were statistically analyzed using Kruskal-Wallis and Mann-Whitney U tests (P<0.05).Results: Group 6 (MAF=35.06) showed 100% acceptable debridement. This rate was 92.9% for MAF=35.04. In group 4 (MAF=30.06) SMEAR LAYER (SL) was re-moved in the three-forth of the samples and DEBRIS was removed in 92.9% of them. Acceptable debridement was not achieved in most samples of groups 1 and 2 (25.04 and 25.06, respectively) and the mentioned two groups had statistically significant difference in this respect with the other groups (P<0.05).Conclusion: Based on this study, 30.06 may be considered as the minimum MAF SIZE for acceptable debridement.

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APA: Copy

MOHAMMADZADEH AKHLAGHI, NAHID, DADRESANFAR, BAHAREH, DARMIANI, SOHEILA, & MOSHARI, AMIRABBAS. (2014). EFFECT OF MASTER APICAL FILE SIZE AND TAPER ON IRRIGATION AND CLEANING OF THE APICAL THIRD OF CURVED CANALS. FRONTIERS IN DENTISTRY (JOURNAL OF DENTISTRY OF TEHRAN UNIVERSITY OF MEDICAL SCIENCES), 11(2), 188-195. SID. https://sid.ir/paper/297903/en

Vancouver: Copy

MOHAMMADZADEH AKHLAGHI NAHID, DADRESANFAR BAHAREH, DARMIANI SOHEILA, MOSHARI AMIRABBAS. EFFECT OF MASTER APICAL FILE SIZE AND TAPER ON IRRIGATION AND CLEANING OF THE APICAL THIRD OF CURVED CANALS. FRONTIERS IN DENTISTRY (JOURNAL OF DENTISTRY OF TEHRAN UNIVERSITY OF MEDICAL SCIENCES)[Internet]. 2014;11(2):188-195. Available from: https://sid.ir/paper/297903/en

IEEE: Copy

NAHID MOHAMMADZADEH AKHLAGHI, BAHAREH DADRESANFAR, SOHEILA DARMIANI, and AMIRABBAS MOSHARI, “EFFECT OF MASTER APICAL FILE SIZE AND TAPER ON IRRIGATION AND CLEANING OF THE APICAL THIRD OF CURVED CANALS,” FRONTIERS IN DENTISTRY (JOURNAL OF DENTISTRY OF TEHRAN UNIVERSITY OF MEDICAL SCIENCES), vol. 11, no. 2, pp. 188–195, 2014, [Online]. Available: https://sid.ir/paper/297903/en

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