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ORIGINAL ARTICLE
Year : 2015  |  Volume : 12  |  Issue : 5  |  Page : 425-430

Viscosity of endodontic irrigants: Influence of temperature


1 Department of Clinical, Surgical, Diagnostic and Pediatric Sciences, Section of Dentistry, University of Pavia, Pavia, Italy
2 Department of Brain and Behavioral Sciences, Section of Statistics, University of Pavia, Pavia, Italy

Correspondence Address:
Claudio Poggio
Department of Clinical, Surgical, Diagnostic and Pediatric Sciences, Section of Dentistry, Piazzale Golgi 3, 27100 Pavia
Italy
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/1735-3327.166189

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Background: The aim of this study was to assess the influence of temperature on the viscosity of different endodontic irrigants. Materials and Methods: The measurements of viscosity of 3% hydrogen peroxide, 0.9% sodium chloride, aqueous solution of 0.2% chlorhexidine (CHX) and 0.2% cetrimide, 5% sodium hypochlorite (NaOCl) and 17% ethylenediaminetetraacetic acid (EDTA) at different temperatures (22°C, 30°C, 40°C, 50°C and 60°C) were obtained using Mohr balance and Ostwald viscometer. The Shapiro-Wilk test and Mann-Whitney U-tests were used for the statistical analysis. (α = 0.05). Results: No significant differences were recorded at each temperature among 3% hydrogen peroxide, 0.9% sodium chloride and aqueous solution of 0.2% CHX and 0.2% cetrimide. 5% NaOCl and 17% EDTA showed the higher values. Viscosity statistically decreased with increasing temperature. Conclusion: Within the limitations of this study, 5% NaOCl and 17% EDTA are significantly viscous at room temperature and their viscosity reduces with elevating temperature.


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