Table 1 Examiners’ analysis with both methods divided by time of acid exposure
Control | 2 hrs | 4 hrs | 6 hrs | Total | |
|---|---|---|---|---|---|
N (%) | N (%) | N (%) | N (%) | N (%) | |
1st examiner – 1st observation | |||||
CBCT | |||||
No lesion | 16 (80) | 11 (55) | 3 (15) | 0 (0) | 30 (37.5) |
Lesion | 4 (20) | 9 (45)a | 17 (85) | 20 (100)b | 50 (62.5) |
Radiograph | |||||
No lesion | 13 (65) | 5 (25) | 6 (30) | 6 (30) | 30 (37.5) |
Lesion | 7 (35) | 15 (75)a | 14 (70) | 14 (70)b | 50 (62.5) |
1st examiner – 2nd observation | |||||
CBCT | |||||
No lesion | 16 (80) | 9 (45) | 5 (25) | 2 (10) | 32 (40) |
Lesion | 4 (20) | 11 (55) | 15 (75) | 18 (90) | 48 (60) |
Radiograph | |||||
No lesion | 12 (60) | 5 (25) | 3 (15) | 3 (15) | 23 (28.8) |
Lesion | 8 (40) | 15 (75) | 17 (85) | 17 (85) | 57 (71.2) |
2nd examiner – 1st observation | |||||
CBCT | |||||
No lesion | 12 (60) | 4 (20) | 1 (5) | 1 (5) | 18 (22.5) |
Lesion | 8 (40) | 16 (80) | 19 (95) | 19 (95) | 62 (77.5) |
Radiograph | |||||
No lesion | 9 (45) | 4 (20) | 2 (10) | 0 (0) | 15 (18.8) |
Lesion | 11 (55) | 16 (80) | 18 (90) | 20 (100) | 65 (81.2) |
2nd examiner – 2nd observation | |||||
CBCT | |||||
No lesion | 9 (45) | 2 (10) | 2 (10) | 0 (0) | 13 (16.2) |
Lesion | 11 (55) | 18 (90) | 18 (90) | 20 (100) | 67 (83.8) |
Radiograph | |||||
No lesion | 10 (50) | 2 (10) | 2 (10) | 1 (5) | 15 (18.8) |
Lesion | 10 (50) | 18 (90) | 18 (90) | 19 (95) | 65 (81.2) |