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Table 7 Condylar movement after operation and at the last follow-up

From: Disc repositioning by open suturing vs. mini-screw anchor: stability analysis when combined with orthognathic surgery for hypoplastic condyles

Index

T0

T1

ΔT0-T1

T2

ΔT1-T2

Mean

Mean

Mean ± SD

p value

Mean

Mean ± SD

p value

Movement of non-operated condyles

  CoT-X(upward-downward)

27.25

27.42

-0.17 ± 0.66

0.374

26.71

0.71 ± 1.15

0.047*

  CoT-Y (lateral-medial)

54.35

54.45

0.11 ± 1.62

0.815

53.90

-0.55 ± 0.56

0.004**

  CoT-Z (anterior–posterior)

72.01

72.35

-0.35 ± 1.29

0.352

72.37

-0.02 ± 1.18

0.945

Movement of operated condyles

  CoT-X(upward-downward)

29.40

30.98

-1.57 ± 1.24

0.000**

29.74

1.24 ± 1.20

0.000**

  CoT-Y (lateral-medial)

53.79

54.60

1.12 ± 1.74

0.007**

53.87

-0.73 ± 1.16

0.009**

  CoT-Z (anterior–posterior)

71.75

71.42

0.32 ± 1.49

0.331

72.58

-1.16 ± 1.44

0.001**

  1. T1 immediate after operation, T2 at the last follow-up. *p < 0.05, **p < 0.01