| Anterior Preoperative | Posterior Preoperative | ||
Number | % | Number | % | |
Grade A | 18 | 38.89 | 6 | 75.00 |
Grade B | 6 | 16.67 | 5 | 12.50 |
Grade C | 6 | 13.89 | 4 | 8.33 |
Grade D | 4 | 16.67 | 6 | 4.14 |
Grade E | 2 | 13.89 | 3 | 0.00 |
Total | 36 | 100% | 24 | 100% |
| Anterior Postoperative | Posterior Postoperative | ||
| Number | % | Number | % |
Grade A | 13 | 33.33 | 5 | 50.00 |
Grade B | 9 | 11.11 | 6 | 8.33 |
Grade C | 5 | 11.11 | 1 | 16.67 |
Grade D | 4 | 11.11 | 9 | 8.33 |
Grade E | 5 | 33.33 | 3 | 16.67 |
Total | 36 | 100% | 24 | 100% |