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Table 4 Comparison of quantitative and qualitative measurements pre-and post-treatment in the TMD 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

Right side (No = 30)

Δ (T1-T0)

p-value

Left side (No = 30)

Δ (T1-T0)

p-value

Intra-group comparison

T0

T1

T0

T1

R-T0 vs. L-T0

R-T1 vs. L-T1

Mean ± SD

Mean ± SD

  

Mean ± SD

Mean ± SD

  

p-value

Quantitative measurements

AJS

(mm)

2.33 ± 0.65

2.06 ± 0.66

-0.27

0.042*

1.88 ± 0.52

1.66 ± 0.60

-0.22

0.034*

*

-

SJS

(mm)

1.77 ± 0.75

1.96 ± 0.48

0.19

0.111

2.30 ± 0.44

2.60 ± 0.75

0.30

0.150

-

-

PJS

(mm)

1.80 ± 0.92

2.02 ± 0.60

0.22

0.432

1.72 ± 0.56

1.90 ± 0.60

0.18

0.145

-

-

CMS

(mm)

2.30 ± 0.62

2.08 ± 0.87

-0.22

0.064

2.43 ± 0.57

2.22 ± 0.89

-0.21

0.050

-

-

CLS

(mm)

1.89 ± 0.70

2.10 ± 0.89

0.21

0.367

1.91 ± 0.64

2.09 ± 0.89

0.18

0.231

-

-

CL 1

(mm)

9.54 ± 1.45

10.26 ± 1.64

0.72

0.051

9.70 ± 1.26

10.71 ± 1.15

1.01

0.005**

-

-

CL 2

(mm)

17.30 ± 1.22

19.14 ± 1.12

1.84

0.086

18.00 ± 2.34

20.90 ± 2.46

2.90

0.077

-

-

CH

(mm)

8.44 ± 0.92

8.50 ± 0.98

0.06

0.083

7.36 ± 0.80

8.44 ± 0.98

1.08

0.308

-

-

FH

(mm)

7.69 ± 1.28

7.45 ± 1.44

-0.24

0.101

7.66 ± 1.44

6.88 ± 1.28

-0.78

0.521

-

-

β

(°)

63.96 ± 7.91

62.60 ± 7.94

-1.36

0.920

63.80 ± 7.91

62.60 ± 7.94

-1.20

0.202

-

-

θ

(°)

47.35 ± 6.84

46.24 ± 7.15

-1.11

0.362

47.06 ± 6.84

46.24 ± 7.15

-0.82

0.130

-

-

β - θ

(°)

16.61 ± 6.57

16.36 ± 6.18

-0.25

0.093

16.74 ± 6.57

16.36 ± 6.18

-0.38

0.066

-

-

Quantitative measurements

AS

(Hu)

350.70 ± 97.2

379.73 ± 90.7

29.03

0.021*

329.33 ± 99.8

345.34 ± 100

16.01

0.045*

*

-

SS

(Hu)

320.43 ± 89.6

349.59 ± 89.3

29.16

0.061

307.86 ± 80.7

330.95 ± 91.1

23.09

0.082

-

-

PS

(Hu)

309.97 ± 70.8

329.06 ± 105.6

19.09

0.074

302.83 ± 76.2

320.09 ± 82.8

17.26

0.031*

-

-

MS

(Hu)

310.57 ± 83.1

328.45 ± 79.7

17.88

0.053

300.72 ± 84.7

317.33 ± 81.7

16.61

0.091

-

-

LS

(Hu)

270.88 ± 68.3

285.87 ± 56.3

14.99

0.102

262.46 ± 99.7

274.03 ± 99.4

11.57

0.076

-

-

  1. 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