An in vivo assessment of the influence of needle gauges on endodontic irrigation flow rate.
2016
Aim: The aim of this clinical study was to assess the influence of irrigation needle gauge on endodontic irrigation flow rates. Settings and Design: In vivo assessment. Materials and Methods: Five specialist endodontists performed intracanal irrigation procedures on 50 mesiobuccal canal of mandibular first molars using three different irrigation needle gauges. Data of time taken for irrigation was recorded by an irrigation testing system and analyzed using independent sample T test and one-way analysis of variance (ANOVA) test. The level of significance was set at P Statistical Analysis Used: The following tests were used for the statistical analysis: Independent sample T test, one-way ANOVA test, and post hoc multiple comparison was carried out using Tukey's honest significant difference (HSD) test using Statistical Package for the Social Sciences (SPSS) version 16 for Windows. Results: The average flow rate of 26 gauge was 0.27 mLs −1 , of 27 gauge was 0.19 mLs −1 , and of 30 gauge was 0.09 mls −1 . There was statistical significance among the gauges (P Conclusions: Needle gauge has significant influence on endodontic irrigation flow rate.
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