Mean ± SD, mm | |||||||
Interdistance | |||||||
Arch | Treatment | Canine | First premolar |
| Second premolar |
| First molar |
pre- | 35.8 ± 2.2 | 41.6 ± 1.7 |
| 47.8 ± 2.4 |
| 53.9 ± 2.2 | |
Maxilla | ** | ** | |||||
post- | 36.6 ± 1.7 | 45.0 ± 2.2 |
| 50.4 ± 2.4 |
| 55.0 ± 2.5 | |
pre- | 27.8 ± 2.2 | 34.5 ± 1.8 |
| 40.2 ± 2.0 |
| 46.6 ± 2.2 | |
Mandible | ** | ** | |||||
post- | 27.0 ± 1.4 | 36.3 ± 1.8 |
| 42.0 ± 1.6 |
| 47.0 ± 2.0 |