DPR
Size of radiolucency S0 S1 S2 S3 Total
I II III I II III I II III I II III I II III
CBCT S0 230 224 226 28 30 32 12 14 13 0 0 0 270 268 271
S1 27 31 33 70 67 70 0 0 0 0 0 0 97 98 103
S2 0 1 0 4 4 2 21 21 24 0 0 0 25 26 26
S3 0 0 0 0 0 0 0 0 0 3 3 3 3 3 3
Total 257 256 259 102 101 104 33 35 37 3 3 3 - - -

Distribution of scores for size of radiolucency, between CBCT and DPR, related to examiners I, II and III
DPR = digital periapical radiography; CBCT = cone-beam computed tomography.