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Table 1 Mean distance of file tip from the apical constriction (DAC) in μm and frequency of instrumentation beyond the apex (FbA)

From: The accuracy of the auto-stop function of different endodontic devices in detecting the apical constriction

DAC (SD) −22.70 (91.57)a 18.74 (88.11)a −13.18 (88.46)a
FbA (%) 17 (59)a 12 (40)a 19 (68)a
N 29 30 28
  1. Values with the same superscript letter (a) in rows were not statistically different (P > 0.05)
  2. ANOVA for DAC and Pearson-Chi-Square for FbA