Table 4.
Number of images with score 1 (no artefacts), 2 (small artefacts) and 3 (severe artefacts) after wiping with ethanol and 2-propanol scored by Observer 1 (Obs1) and Observer 2 (Obs2) in two sessions
| Score | Ethanol | 2-propanol | ||||
| 1 | 2 | 3 | 1 | 2 | 3 | |
| Digora Obs1 (first) | 13 | 11 | 0 | 24 | 0 | 0 |
| Digora Obs1 (second) | 15 | 9 | 0 | 24 | 0 | 0 |
| Digora Obs2 (first) | 10 | 14 | 0 | 24 | 0 | 0 |
| Digora Obs2 (second) | 8 | 16 | 0 | 24 | 0 | 0 |
| Vista Obs1 (first) | 0 | 5 | 19 | 16 | 8 | 0 |
| Vista Obs1 (second) | 0 | 6 | 18 | 15 | 9 | 0 |
| Vista Obs2 (first) | 0 | 0 | 24 | 12 | 12 | 0 |
| Vista Obs2 (second) | 0 | 0 | 24 | 12 | 12 | 0 |
The Digora® Optime Imaging Plate (size 2) is manufactured by Soredex PalaDEx Group Brenntag Nordic A/S (Hellerup, Denmark), and the VistaScan® Imaging Plate PLUS (size 2) by Dürr Dental AG (Bietigheim-Bissingen, Germany).