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Table 5 Intra-examiner agreement of the NC as assessed by the three evaluators in the FS, ZS and HZ modes; VC and LAC as assessed by the three evaluators in HZ mode

From: Could cone-beam computed tomography demonstrate the lateral accessory canals?

Evaluator κ
FS(NC) ZS(NC) HZ(NC) HZ(VC) HZ (LAC)
Radiologist 0.963 0.964 0.967 0.915 0.887
Student 0.963 0.897 0.967 0.885 0.680
Endodontist 0.932 0.963 1 0.910 0.641
  1. HZ high-resolution zoom scan mode, ZS zoom scan mode, FS full scan mode
  2. NC number of root canals, VC canal configuration classified using Vertucci’s classification, LAC lateral accessory canal