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

Table 2

Mandible incisive canal [MIC] as identified by examiners in images of panoramic radiograph [PAN] and cone-beam computed tomography [CBCT].

Examiners and sides	Presence of the MIC according to the examiners				Agreement rates %	values*
	Absent in both types of exams	Present in both types of exams	Present in PAN but not in CBCT	Present in CBCT but not in PAN
Examiner 1
R	7 [4.7]	54 [36.0]	2 [1.3]	87 [58.0]	40.7	0.030
L	15 [10.1]	36 [24.3]	3 [2.0]	94 [63.5]	34.4	0.035
Total # [R + L]	22 [7.4]	90 [30.2]	5 [1.7]	181 [60.7]	37.6	0.037
Examiner 2
R	6 [4.0]	39 [26.0]	3 [2.0]	102 [68.0]	30.0	−0.009
L	18 [12.0]	36 [24.0]	4 [2.7]	92 [61.3]	36.0	0.037
Total [R + L]	24 [8.0]	75 [25.0]	7 [2.3]	194 [64.7]	33.0	0.014

Coefficient of agreement; Number of identifications [percent rate of identifications in parentheses]. Abbreviations: PAN: panoramic radiograph; CBCT: cone-beam computed tomography; R: Right side; L: Left side; E: examiner. # Two cases of CBCT were not analyzed by Examiner 1 and were excluded from the comparison.