| (Unit: Tooth Planes) | ||
| Patients | Visual Inspection | QLF-D |
| A | 0 | 3 |
| B | 0 | 0 |
| C | 0 | 8 |
| D | 0 | 3 |
| E | 0.67 | 4 |
| F | 0 | 2 |
| G | 0 | 0 |
| H | 0 | 1 |
| I | 0 | 1 |
| J | 0 | 0 |