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Table 3 Comparison of quantitative and qualitative measurements pre-and post-treatment in the TMD + MA group

From: Quantitative and qualitative condylar changes following stabilization splint therapy in patients with temporomandibular joint disorders with and without skeletal lateral mandibular asymmetry: a cone beam computed tomographic study

Measurement standard

Deviated side (No = 30)

Δ (T1-T0)

p-value

Contralateral side (No = 30)

Δ (T1-T0)

p-value

Intra-group comparison

T0

T1

T0

T1

D-T0 vs. C-T0

D-T1 vs. C-T1

Mean ± SD

Mean ± SD

  

Mean ± SD

Mean ± SD

  

p-value

Quantitative measurements

AJS

(mm)

2.99 ± 0.83

2.55 ± 0.20

-0.44

0.001**

1.71 ± 0.73

2.20 ± 0.89

0.49

0.0521

*

-

SJS

(mm)

1.78 ± 0.46

1.98 ± 0.32

0.20

0.025*

2.38 ± 0.81

1.90 ± 0.60

-0.48

0.026*

*

-

PJS

(mm)

1.60 ± 0.84

2.29 ± 0.65

0.69

0.001**

2.76 ± 0.78

2.20 ± 0.70

-0.56

0.079

*

-

CMS

(mm)

2.35 ± 0.43

2.20 ± 0.78

-0.15

0.055

1.68 ± 0.35

2.07 ± 0.59

0.39

0.031*

*

-

CLS

(mm)

1.82 ± 0.54

2.59 ± 0.40

0.77

0.037*

2.50 ± 0.51

2.30 ± 0.58

-0.20

0.091

-

-

CL 1

(mm)

7.85 ± 0.82

8.43 ± 1.02

0.58

0.064

9.89 ± 1.15

10.57 ± 1.26

0.68

0.132

-

-

CL 2

(mm)

16.01 ± 2.54

20.26 ± 2.00

4.25

0.045*

19.20 ± 2.46

23.14 ± 2.34

3.94

0.026

*

-

CH

(mm)

8.60 ± 0.92

8.40 ± 0.98

-0.20

0.030*

7.32 ± 0.98

8.44 ± 0.94

1.12

0.308

*

-

FH

(mm)

7.90 ± 1.19

8.04 ± 1.44

0.14

0.607

7.70 ± 1.28

7.87 ± 1.31

0.17

0.076

-

-

β

(°)

55.33 ± 7.69

59.01 ± 6.55

3.68

0.318

63.87 ± 7.89

62.60 ± 7.90

-1.27

0.113

-

-

θ

(°)

46.25 ± 6.99

47.35 ± 5.84

1.10

0.441

47.35 ± 7.10

46.18 ± 6.47

-1.17

0.216

*

-

β - θ

(°)

9.08 ± 6.25

11.66 ± 6.57

2.58

0.614

16.65 ± 6.23

16.34 ± 6.90

-0.31

0.657

-

-

Quantitative measurements

AS

(Hu)

300.82 ± 96.7

326.61 ± 103.8

25.79

0.016*

318.24 ± 124

349.61 ± 103.8

31.37

0.013*

*

*

SS

(Hu)

292.74 ± 79.5

311.45 ± 99.7

18.71

0.034*

290.95 ± 107.5

309.09 ± 125.4

18.14

0.042*

*

-

PS

(Hu)

330.65 ± 90.4

359.98 ± 107.2

29.33

0.002**

299.53 ± 87.9

318.59 ± 98.19

19.06

0.003**

*

-

MS

(Hu)

297.45 ± 83.1

314.78 ± 79.7

17.33

0.074

300.20 ± 91.4

320.33 ± 85.6

20.13

0.003**

*

-

LS

(Hu)

280.21 ± 78.3

300.01 ± 56 0.3

19.80

0.010*

289.87 ± 77.8

305.33 ± 99.7

15.46

0.069

*

-

  1. MA: mandibular asymmetry; No: number of study sample per (joint); Δ: mean different; SD: standard deviation; mm: millimeters; °: degree; Hu: Hounsfield unit; T0: before treatment; T1: after treatment
  2. *: p-value of < 0.05 statistically significant; **: p <0.01; ***: p <0.001; - not significant