. 2018 Nov 1;43(4):e41. doi: 10.5395/rde.2018.43.e41

Table 1. Frequency (%) of cases evaluated as reaching the full working length (RFWL) or not reaching the full working length (NFWL) and mean (± standard deviation) of total time required for canal preparation.

Group	No.	RFWL	NFWL	Fracture	Total preparation time (sec)
Reciproc	50	47 (94%)^a	3 (6%)	2	91.96 ± 10.05^a
Reciproc Blue	50	44 (88%)^a	6 (12%)	0	99.92 ± 12.38^a
Reciproc + C-pilot	50	47 (94%)^a	3 (6%)	1 + 0	122.20 ± 14.74^b
Reciproc Blue + C-Pilot	50	45 (90%)^a	5 (10%)	0 + 0	126.96 ± 15.60^b
Reciproc + R-pilot	50	48 (96%)^a	2 (4%)	1 + 1	139.02 ± 17.74^c
Reciproc Blue + R-Pilot	50	46 (92%)^a	4 (8%)	0 + 1	145.90 ± 19.61^c

Different superscript letters show a significant difference between groups (p < 0.05).