Table 2 Mean percentage of Ca(OH)2 removal with different techniques from simulated root canals in the coronal, middle and apical sections

From: An in vitro study on the efficacy of removing calcium hydroxide from curved root canal systems in root canal therapy

Group

Group 1 (10% citric acid, n=10)

Group 2 (2.5% NaOCl, n=10)

 

Whole canal

Cervical 1/3

Middle 1/3

Apical 1/3

Whole canal

Cervical 1/3

Middle 1/3

Apical 1/3

SG1

99.44%±0.46%

100%±0%

100%±0%

96.76%±2.64%

98.89%±0.72%

100%±0%

99.52%±1.00%

94.34%±3.61%

SG2

99.67%±0.29%

100%±0%

100%±0%

98.10%±1.68%

99.37%±0.41%

100%±0%

100%±0%

96.43%±2.33%

SG3

99.79%±0.23%

100%±0%

100%±0%

98.82%±1.34%

99.69%±0.28%

100%±0%

100%±0%

98.25%±1.61%

SG4

99.83%±0.22%

100%±0%

100%±0%

99.02%±1.26%

99.72%±0.26%

100%±0%

100%±0%

98.43%±1.50%

  1. SG1, 30 K file; SG2, F3 instrument; SG3, passive ultrasonic irrigation; SG4, EndoActivator. Values represent mean±standard deviations.
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