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Table 2 Three-way ANOVA for comparison of wire, bracket, and interaction wire/bracket in the different deflections

From: Force level of small diameter nickel-titanium orthodontic wires ligated with different methods

 

DF

0.5 mm

1.0 mm

2.0 mm

3 mm

 

MS

F

p

MS

F

p

MS

F

p

MS

F

p

Wire alloy

1

181.55

2.260

0.135

2768

4.525

0.035

341,643

4647.44

0.000

307,140

3296.7

0.000*

Bracket

3

5380.77

66.983

0.000

20,336

33.243

0.000

25,447

346.17

0.000

70,766

759.6

0.000*

Diameter

1

30.14

0.375

0.541

45,841

74.936

0.000

315,513

4291.99

0.000

630,812

6770.7

0.000*

Interaction wire alloy/bracket

3

17.45

0.217

0.884

1345

2.198

0.091

561

7.63

0.000

4579

49.1

0.000*

Interaction wire alloy/diameter

1

6.87

0.085

0.770

365

0.597

0.441

9868

134.23

0.000

21,448

230.2

0.000*

Interaction bracket/diameter

3

351.73

4.379

0.006

1744

2.850

0.040

8242

112.11

0.000

18,182

195.2

0.000*

Interaction wire alloy/bracket/diameter

3

111.75

1.391

0.248

3318

5.423

0.001

4248

57.79

0.000

7855

84.3

0.000*

  1. *Statistically significant at p < 0.05