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Table 4 Displacement of crown of the maxillary posterior teeth under different loading models in sagittal direction (mm)

From: Comparative assessment of orthodontic clear aligner versus fixed appliance for anterior retraction: a finite element study

 

Second premolar

First molar

Second molar

Crown

Crown

Crown

Model C0

-3.31E-02

-2.37E-02

-2.13E-02

Model C1

-3.34E-02

-2.41E-02

-2.05E-02

Model C2

-3.40E-02

-2.46E-02

-2.15E-02

Model C3

-2.72E-02

-2.22E-02

-1.72E-02

Model C4

-3.27E-02

-2.21E-02

-1.73E-02

Model F0

7.24E-04

1.05E-03

1.78E-03