E-ISSN 2548-0839
The Effect of Root Canal Preparation Using Single Versus Multiple Endodontic Rotary Files on Post-operative Pain, a Randomised Clinical Trial []
. 2017; 2(1): 23 | DOI: 10.5152/eej.2017.17018

The Effect of Root Canal Preparation Using Single Versus Multiple Endodontic Rotary Files on Post-operative Pain, a Randomised Clinical Trial

Mohsen Aminsobhani1, Naghmeh Meraji2, Alireza Khoshdel3, Abdollah Ghorbanzadeh2
1Department of Endodontics, AJA University of Medical Sciences; Department of Endodontics School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
2Department of Endodontics School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
3Department of Public Health, AJA University of Medical Sciences, Tehran, Iran

Objective: The purpose of this randomised clinical trial study was to compare the incidence and intensity of post-operative pain following the use of single-file and multi-file rotary instruments with continuous rota- tional motion for root canal preparation in asymptomatic permanent human teeth.
Methods: A total of 105 healthy consenting patients who fulfilled specific inclusion criteria and had premo- lar or molar teeth diagnosed with asymptomatic irreversible pulpitis without periapical pathosis requiring endodontic treatment participated in this study. The patients were randomly allocated by stratification into five groups of 21 according to the instruments and systems used for root canal preparation: (a) Neoniti A1 (#25) single file, (b) RaCe #25/.06 single file, (c) Mtwo #25/.06 single file, (d) Easy RaCe, (e) and Mtwo multi- file. Endodontic treatment was carried out in a single appointment. The severity of post-operative pain was assessed by numerical rating scale scores until complete pain relief was achieved. Analgesic consumption and the incidence of pain were also evaluated. Data were analysed by one-way ANOVA and Tukey HSD tests. Results: When comparing different instruments and systems for canal preparation, the analgesic consump- tion, incidence and intensity of post-operative pain did not differ (p>0.05). The highest levels of post-opera- tive pain were experienced after 6 h in all groups.
Conclusion: The post-operative pain did not differ between the single and multi-file root canal preparation techniques evaluated in this study.

Keywords: Analgesic, instrumentation, Nickel-titanium, post-operative pain, root canal treatment, rotary.

Mohsen Aminsobhani, Naghmeh Meraji, Alireza Khoshdel, Abdollah Ghorbanzadeh. The Effect of Root Canal Preparation Using Single Versus Multiple Endodontic Rotary Files on Post-operative Pain, a Randomised Clinical Trial. . 2017; 2(1): 23

Corresponding Author: Naghmeh Meraji, Iran

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