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

Table 2 CFU score percentages according to irrigation technique

CFU score	EndoUltra™	Satelec P5 booster	EndoVac	1% NaOCl + standard needle irrigation	PBS + standard needle irrigation
Score 5
Very heavy > 10000	0.0%	0.0%	0.0%	0.0%	0.0%
Score 4
Heavy 1001–10000	0.0%	0.0%	0.0%	33.3%	100.0%
Score 3
Moderate 101–1000	10.0%	5.0%	0.0%	0.0%	0.0%
Score 2
Sparse 11–100	12.5%	17.5%	12.5%	22.0%	0.0%
Score 1
Very sparse 1–10	37.5%	35.0%	40/0%	33.3%	0.0%
Score 0
None 0	40.0%	42.5%	47.5%	11.1%	0.0%