From: Predictability of orthodontic movement with orthodontic aligners: a retrospective study
N | Mean prescription(°) | SD | Mean imprecision(°) | SD | Median | IQR | Significance. | ||
---|---|---|---|---|---|---|---|---|---|
Upper arch | |||||||||
VL tip | Incisors | 57 | 9.2 | 6.7 | 4.5 | 4.0 | 3.4 | − 0.6 | NS |
Canines | 29 | 5.1 | 3.2 | 2.5 | 1.5 | 2.3 | 0.8 | NS | |
Premolars | 53 | 5.1 | 3.4 | 3.1 | 2.6 | 2.1 | − 0.5 | NS | |
Molars | 37 | 3.9 | 1.4 | 2.9 | 2.2 | 2.5 | 0.3 | NS | |
MD tip | Incisors | 57 | 6.4 | 4.5 | 3.2 | 2.6 | 2.5 | − 0.1 | NS |
Canines | 29 | 4.7 | 2.8 | 2.8 | 2.2 | 2.6 | 0.4 | NS | |
Premolars | 53 | 4.6 | 3.3 | 3.6 | 2.3 | 3.9 | 1.6 | NS | |
Molars | 37 | 4.5 | 1.6 | 3.4 | 2.3 | 3.4 | 1.1 | NS | |
Rot. | Incisors | 57 | 10.8 | 9.3 | 5.0 | 5.3 | 3.7 | − 1.6 | NS |
Canines | 29 | 6.5 | 4.6 | 4.3 | 2.8 | 3.6 | 0.8 | NS | |
Premolars | 53 | 7.0 | 6.7 | 3.5 | 3.1 | 2.9 | − 0.2 | NS | |
Molars | 37 | 7.2 | 4.8 | 4.8 | 4.6 | 4.4 | − 0.2 | NS | |
Lower arch | |||||||||
VL tip | Incisors | 64 | 5.9 | 2.1 | 2.9 | 2.6 | 2.3 | − 0.3 | NS |
Canines | 30 | 7.2 | 5.0 | 3.5 | 2.8 | 3.1 | 0.3 | NS | |
Premolars | 52 | 6.2 | 4.1 | 3.2 | 2.2 | 2.9 | 0.7 | NS | |
Molars | 23 | 3.9 | 1.7 | 1.3 | .9 | 1.9 | 1.0 | NS | |
MD tip | Incisors | 64 | 4.2 | 1.5 | 2.7 | 1.9 | 2.2 | 0.3 | NS |
Canines | 30 | 4.8 | 2.0 | 3.3 | 2.2 | 2.9 | 0.6 | NS | |
Premolars | 52 | 5.4 | 4.7 | 3.4 | 2.6 | 3.1 | 0.5 | NS | |
Molars | 23 | 6.3 | 3.7 | 4.3 | 3.0 | 3.5 | 0.5 | NS | |
Rot. | Incisors | 64 | 7.2 | 4.4 | 3.4 | 2.5 | 2.8 | 0.3 | * |
Canines | 30 | 12.4 | 10.0 | 6.9 | 5.4 | 5.5 | 0.1 | * | |
Premolars | 52 | 7.3 | 6.0 | 5.4 | 5.8 | 3.7 | − 2.1 | NS | |
Molars | 23 | 4.6 | 2.8 | 2.0 | 1.8 | 1.4 | − 0.4 | * |