Skip to main content
. 2015 Mar 1;15:27. doi: 10.1186/s12903-015-0012-z

Table 1.

Mean transportation ± standard deviation (in millimeters) of central axis after instrumentation at 10 points from apical constriction in L-shaped root canals

Group 0 mm 1 mm 2 mm 3 mm 4 mm 5 mm 6 mm 7 mm 8 mm 9 mm
PTU 0.06 ± 0.03b 0.06 ± 0.03a 0.06 ± 0.04a,b 0.05 ± 0.04a 0.10 ± 0.06a 0.16 ± 0.05a 0.11 ± 0.04a 0.06 ± 0.04a 0.04 ± 0.04a 0.05 ± 0.04a
WO 0.10 ± 0.03b 0.11 ± 0.03b 0.07 ± 0.04b 0.06 ± 0.04a 0.16 ± 0.04b 0.22 ± 0.04b 0.16 ± 0.03b 0.07 ± 0.02a 0.03 ± 0.01a 0.02 ± 0.01a
PTN 0.05 ± 0.02a 0.07 ± 0.04a 0.06 ± 0.02a 0.06 ± 0.04a 0.11 ± 0.03a 0.16 ± 0.02a 0.10 ± 0.02a 0.07 ± 0.02a 0.07 ± 0.03b 0.08 ± 0.03b
P value <0.05 <0.05 <0.05 >0.05 <0.05 <0.05 < 0.05 >0.05 < 0.05 < 0.05

Within the same column, values with same superscript letter were not statistically different.