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Table 3 Comparison in pain levels between study groups

From: Influence of orthodontic archwire (nickel–titanium versus copper–nickel–titanium) on pain in adult patients in the aligning phase of treatment with self-ligating brackets (two months of follow-up): a prospective observational pilot study

 

Mean (SD)

 

NiTi group (n = 15)

Cu-NiTi group (n = 15)

Mann–Whitney Test

P-Value

T00

1.73 (± 1.53)

1.07 (± 1.36)

2.03

0.042*

T01

4.20 (± 1.93)

4.93 (± 2.09)

0. 59

0.055

T02

5.27 (± 1.10)

5.27 (± 2.19)

0.49

0.627

T03

5.53 (± 1.41)

5.60 (± 2.03)

0.06

0.949

T10

1.67 (± 1.59)

1.27 (± 2.55)

1.68

0.092

T11

4.47 (± 1.88)

4.87 (± 2.03)

0.13

0.899

T12

5.27 (± 1.33)

5.00 (± 2.36)

0.36

0.719

T13

5.20 (± 1.57)

4.67 (± 2.41)

0.66

0.510

T20

1.40 (± 1.30)

1.00 (± 1.25)

0.97

0.367

T21

2.00 (± 1.56)

1.47 (± 1.41)

0.92

0.389

T22

3.53 (± 1.60)

3.47 (± 1.12)

0.04

0.967

T23

3.33 (± 2.06)

2.40 (± 1.76)

0.97

0.345

  1. SD: Standard deviation
  2. T00: T0– Start
  3. T01: T0–4 h
  4. T02: T0–24 h
  5. T03: T0–48 h
  6. T10: T1– Start
  7. T11: T1–4 h
  8. T12: T1–24 h
  9. T13: T1–48 h
  10. T20: T2– Start
  11. T21: T2–4 h
  12. T22: T2–24 h
  13. T23: T2–48 h
  14. *: Significant (p < 0.05)