Centering Ability and Influence of Experience When Using WaveOne Single-File Technique in Simulated Canals

Table 2

Centering ratio means and Standard Deviation (SD) at the different levels in groups 1, 2, and 3.

	Measure points (in mm from the foramen)
	𝑅
	0	1	2	3	4	5	6	7	8	9	10	11
Group 1
Mean	0,059^a,c	−0,040^a	−0,074^a	−0,056^a	−0,045^a	0,048^b	0,061^b	−0,107^b	−0,147^a	−0,132^a	−0,098^a	−0,064^a
SD	0,087	0,077	0,077	0,062	0,054	0,059	0,050	0,041	0,042	0,051	0,065	0,088
Group 2
Mean	0,113^a,b	−0,015^a	−0,056^a	−0,074^a	−0,011^a	0,116^b	0,128^b	−0,055^b	−0,130^a	−0,142^a	−0,136^a	−0,107^a
SD	0,135	0,076	0,070	0,069	0,078	0,088	0,071	0,055	0,050	0,058	0,085	0,105
Group 3
Mean	0,196^b,c	0,112^d	0,007^d	−0,141^d	−0,056^d	0,110^d	0,206^d	0,160^d	0,005^d	−0,086^d	−0,115^d	−0,112^d
SD	0,107	0,069	0,075	0,066	0,061	0,056	0,045	0,056	0,056	0,044	0,042	0,044

^a𝑃>0.05: On exponent, the identical letters illustrate the values which do not present significant difference
^b,c𝑃<0.05: On exponent, the identical letters illustrate the values which present a significant difference
^d—: Values not having been the object of statistical analysis of différences.