Research Article

Assessment of the Mandibular Incisive Canal by Panoramic Radiograph and Cone-Beam Computed Tomography

Table 1

Agreement between examiners by type of examination for identification of the mandible incisive canal [MIC].

Type of exams and sidesIdentification of the MIC by examiners E1 and E2 Agreement rates % values*
Not identified by both examinersIdentified by both examinersIdentified by E1 but not by E2 Identified by E2 but not by E1

 R77 [51.3]25 [16.7]31 [20.7]17 [11.3]68.00.280
 L87 [58.0]18 [12.0]23 [15.3]22 [14.7]70.00.239

Total [R + L]164 [54.7]43 [14.3]54 [18.0]39 [13.0]69.00.262

 R1 [0.7]133 [88.7]8 [5.3]8 [5.3]89.30.054
 L8 [5.4]117 [79.1]13 [8.8]10 [6.8]83.30.321

Total # [R + L]9 [3.0]250 [83.9]21 [7.0]18 [6.0]86.90.244

Coefficient of agreement; number of identifications [percent rate of identifications in parentheses]. PAN: panoramic radiograph; CBCT: cone-beam computed tomography; R: right side; L: left side; E: examiner. # Two cases of CBCT were not analyzed by E1 and were excluded from the comparison.