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Comparison of the cleaning efficacy of self-adjusting file and rotary systems in the apical third of oval-shaped canals
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Melo Ribeiro, Marcus Vinícius de, Silva-Sousa, Yara Terezinha, Versiani, Marco Aurélio, Lamira, Alessandro, Steier, Liviu, Pécora, Jesus Djalma and Sousa-Neto, Manoel Damião de (2013) Comparison of the cleaning efficacy of self-adjusting file and rotary systems in the apical third of oval-shaped canals. Journal of Endodontics, Volume 39 (Number 3). pp. 398-401. doi:10.1016/j.joen.2012.11.016 ISSN 0099-2399.
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Official URL: http://dx.doi.org/10.1016/j.joen.2012.11.016
Abstract
Introduction
Cleaning and shaping of root canals are essential steps for the success of endodontic therapy. The purpose of this study was to evaluate the tissue debridement efficacy of the self-adjusting file (SAF) protocol in the apical third of oval-shaped canals of mandibular incisors in comparison with a nickel-titanium rotary system preparation.
Methods
Twenty-six single-rooted human mandibular incisor teeth were selected and assigned to a control (n = 4) and 2 experimental groups (n = 11) according to 1 of 2 instrumentation techniques, SAF and nickel-titanium rotary systems. After root canal preparation, the apical thirds of the specimens were submitted to histologic processing and analyzed by optical microscopy regarding the percentage of debris and uninstrumented root canal walls. The data were statistically compared by using unpaired t test with Welch's correction, and the level of significance was set at 5%.
Results
The percentage of remaining debris and uninstrumented canal perimeter was significantly lower in SAF group (2.18 ± 2.71 and 12.33 ± 7.85, respectively) than in rotary group (13.11 ± 12.98 and 53.54 ± 15.95, respectively) (P < .05). In the SAF group most of specimens were completely free of debris, whereas in the rotary group 53% of the canals presented debris.
Conclusions
SAF had significantly more contact to the dentin walls and removed more debris than rotary instrumentation in the apical third of mandibular incisors.
Item Type: | Journal Article | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School | ||||
Journal or Publication Title: | Journal of Endodontics | ||||
Publisher: | Elsevier | ||||
ISSN: | 0099-2399 | ||||
Official Date: | 2013 | ||||
Dates: |
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Volume: | Volume 39 | ||||
Number: | Number 3 | ||||
Page Range: | pp. 398-401 | ||||
DOI: | 10.1016/j.joen.2012.11.016 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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