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Progress in Orthodontics

Table 4 Comparison of actual and predicted tooth movement amount

From: Effectiveness of clear aligners in achieving proclination and intrusion of incisors among Class II division 2 patients: a multivariate analysis

Measurement index

Actual tooth movement

Predicted tooth movement

DPA

P value

Proclination amount (°)

9.7 ± 7.3

13.9 ± 7.3

4.2 ± 4.5

 < 0.001*

Intrusion amount (mm)

0.8 ± 1.1

1.5 ± 1.1

0.7 ± 1.1

 < 0.001*

Labial movement amount (mm)

1.3 ± 1.5

0.6 ± 2.2

− 0.7 ± 1.5

 < 0.001*

  1. *P < 0.05 indicated statistical significance
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