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Table 1 The mean value, standard deviation, minimum, and maximum of the deviation in all groups

From: Guided endodontics: accuracy of access cavity preparation and discrimination of angular and linear deviation on canal accessing ability—an ex vivo study

  Group  
Anterior Premolar Molar Total
Guided access cavity (n) 36 33 48 117
Coronal linear deviation (mm) Mean 0.09 0.07 0.22 0.13
Standard deviation 0.16 0.15 0.25 0.21
Minimum 0.0 0.0 0.0 0.0
Maximum 0.54 0.49 0.97 0.97
Apical linear deviation (mm) Mean 0.28 0.40 0.64 0.46
Standard deviation 0.24 0.35 0.46 0.40
Minimum 0.0 0.0 0.0 0.0
Maximum 0.78 1.26 1.60 1.60
Angular deviation (°) Mean 1.73 2.23 4.00 2.80
Standard deviation 1.97 1.97 2.86 2.57
Minimum 0.0 0.0 0.0 0.0
Maximum 5.90 6.50 11.60 11.60