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Apical extrusion of sodium hypochlorite activated with two laser systems and ultrasonics: a spectrophotometric analysis

The aim of the present study was to compare the effect of ultrasonically or laser (Nd:YAG or diode) activated irrigation on the irrigating solution extrusion compared to non-activated syringe irrigation. Extracted mandibular premolar teeth (n = 48) with single canals were instrumented. The teeth wer...

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Bibliographic Details
Published in:BMC oral health 2015-06, Vol.15 (1), p.71-71, Article 71
Main Authors: Helvacıoğlu Kıvanç, Bağdagül, Deniz Arısu, Hacer, Yanar, Nazlı Özge, Silah, Hülya Mercan, İnam, Recai, Görgül, Güliz
Format: Article
Language:English
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Summary:The aim of the present study was to compare the effect of ultrasonically or laser (Nd:YAG or diode) activated irrigation on the irrigating solution extrusion compared to non-activated syringe irrigation. Extracted mandibular premolar teeth (n = 48) with single canals were instrumented. The teeth were secured through the lid of an Eppendorf tube filled with 1.0 mL distilled water to collect the apically extruded irrigating solution. The teeth were randomly divided into four groups: non-activated syringe irrigation, diode laser, Nd:YAG laser and passive ultrasonic irrigation (PUI) using 2% NaOCl. The irrigating solution extruded through the apical foramen was collected in the Eppendorf tube and evaluated by a chemical reaction with using a spectrophotometer. The data was analyzed using one-way ANOVA and Tukey's post hoc test (α = 0.05). All the groups showed apically extruded irrigating solution. There were significant differences among the groups (p < 0.05). Nd:YAG laser activated irrigation showed greater extrusion (p < 0.05), while the non-activated syringe irrigation showed less extrusion (p < 0.05). Only the difference between diode laser and PUI was not statistically significant (p > 0.05). Within the limitations of this in vitro study, the researchers concluded that non-activated syringe irrigation caused less apically extruded irrigating solution than PUI and LAI using Nd:YAG or diode lasers.
ISSN:1472-6831
1472-6831
DOI:10.1186/s12903-015-0056-0