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Fig. 3 | Evidence-Based Endodontics

Fig. 3

From: Efficacy evaluation of a cordless ultrasonic unit in achieving reduction of bacterial load within a root canal system as compared to a conventional ultrasonic unit and negative pressure irrigation

Fig. 3

Positive control. Enterococcus faecalis (strain OG1RF) was cultured in 1 ml of brain-heart infusion (BHI) for 24 h and inoculated into 5 ml of fresh BHI with 2% glucose solution. The specimen root canals were inoculated with 100 μL of the suspension and incubated at 37° for 30 days with weekly medium change, ×15000

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