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Table 4 Changes in airway measurements after tooth-borne face mask (TBFM) and skeletal anchored face mask (SAFM) therapy

From: Comparison of the effects on the pharyngeal airway space of maxillary protraction appliances according to the methods of anchorage

 

∆SPPS

∆MPS

∆IPS

∆SPPA

∆MPA

∆IPA

TBFM

Mean

1.32

1.81

1.11

36.97

28.30

26.64

SD

1.13

1.05

1.55

38.34

30.53

42.21

SAFM

Mean

2.53

2.81

2.54

76.10

30.44

72.06

SD

3.13

1.63

2.11

59.32

46.80

54.76

P

0.173

0.014

0.007

0.002

0.935

0.001

 

*

**

**

 

**

  1. Measurements are in millimeters
  2. SD standard deviation
  3. *P < 0.05; **P < 0.01