Efficacy of Two Irrigants Used with Self-Adjusting File System on Smear Layer: A Scanning Electron Microscopy Study

Table 2

Hülsmann scores given with number of specimens that belong to each score and percent of cleaning for Group 2 (citric acid + NaOCl).

	Group 2 coronal third					Group 2 middle third					Group 2 apical third
	Clean		Smear layer present			Clean		Smear layer present			Clean		Smear layer present
Score	1	2	3	4	5	1	2	3	4	5	1	2	3	4	5
	7	3	—	—	—	6	1	3	—	—	2	5	2	1	—
Total	100%		0%			70%		30%			70%		30%

: number of specimens.