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. 2013 Jun 25;27(4):326–335. doi: 10.7555/JBR.27.20130008

Table 2. Mean and standard deviations of transportation of the three systems.

Transportation Protaper Revo-S (n = 27) Revo-S (n = 27) Hero shaper (n = 27) P-value (n = 27)
Bucco-lingual canal
 Cervical 0.11 ± 0.13 0.12 ± 0.09 0.12 ± 0.10 0.757
 Middle 0.12 ± 0.14 0.12 ± 0.10 0.14 ± 0.11 0.573
 Apical 0.15 ± 0.14 0.11 ± 0.11 0.11 ± 0.08 0.577
Mesio-distal canal
 Cervical 0.12 ± 0.12 0.19 ± 0.15 0.16 ± 0.14 0.111
 Middle 0.14 ± 0.11 0.14 ± 0.22 0.13 ± 0.12 0.401
 Apical 0.11 ± 0.12 0.10 ± 0.10 0.12 ± 0.13 0.986