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Table 2 Transportation in four sections of real and printed canals after preparation (n = 12)

From: Shaping ability of protaper next compared with waveone in late-model three-dimensional printed teeth

Group 1 mm from apex (mm) 3 mm from apex (mm) 5 mm from apex (mm) 9 mm from apex (mm)
Mean ± SD Mean ± SD Mean ± SD Mean ± SD
Real teeth .047 ± .037 .053 ± .042 .052 ± .052 .013 ± .014
3D-printed teeth .053 ± .042 .06 ± .053 .056 ± .056 .014 ± .016
P value .084b .058b   .655b
  1. bWilcoxon signed-rank test (P < .05)