| Degree of deviation | Surgical procedure | Number of patients |
| 15 PD - 25 PD | Mono or bilateral MRM advancement | 7 |
| 25 PD - 40 PD | Monolateral MRM advancement + resection Or Monolateral MRM advancement + recession | 4 14 |
| 40 PD - 55 PD | Unilateral MRM advancement + resection + recession of LRM | 4 |
| ≥55 PD | Bilateral advancement MRM + resection + LRM recession | 2 |