Table 3 Paired t test of maxillary central incisor retraction.

From: A study on the morphologic change of palatal alveolar bone shape after intrusion and retraction of maxillary incisors

R

Pretreatment

Posttreatment

p value

Mean

SD

Mean

SD

R1

3.700

2.352

6.463

2.412

0.000***

R2

4.142

2.358

6.496

2.401

0.000***

R3

4.473

2.315

6.555

2.375

0.000***

R4

4.758

2.282

6.538

2.341

0.000***

R5

4.871

2.328

6.471

2.363

0.000***

  1. *p < 0.05, **p < 0.01, ***p < 0.001.
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