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Table 1 Descriptive data and statistical analysis of the differences between T0 and T1

From: Impact of molar teeth distalization with clear aligners on occlusal vertical dimension: a retrospective study

 

T0

T1

Student T Test

MEAN

SD

MEAN

SD

Sig.

SNA (°)

82.4

4.7

83.0

4.9

0.559

SNB (°)

79.0

4.9

78.7

4.9

0.403

ANB (°)

3.4

3.3

4.3

3.2

0.195

SN^GoGn (°)

35.6

6.9

35.4

8.4

0.445

SN^fOP (°)

18.9

4.1

20.6

6.3

0.122

SN^PP (°)

7.3

6.1

6.3

5.7

0.309

6-PP (mm)

25.0

3.0

23.0

3.0

0.000****

6^PP (°)

81.2

3.5

79.9

4.4

0.220

7-PP (mm)

16.0

3.0

13.0

3.0

0.000****

7^PP (°)

81.7

5.6

82.3

4.3

0.352

1^PP (°)

118.3

6.6

104.8

10.9

0.006***

MR (mm)

3.1

1.4

1.2

0.6

0.000****

S-Go (mm)

68.0

6.1

68.0

6.8

0.476

N-Me (mm)

109.0

6.0

108.9

6.2

0.438

S-Go/N-Me

0.62

0.05

0.63

0.06

0.421

  1. * = P < 0.05; ** = P < 0.01; *** = P < 0.001; **** = P < 0.0001