Source

df

SS

MS

F-value

P-value

Labial surface

Sheet extrusion direction (A)

1

201.670

201.670

3180.081

<0.001**

Model angle (B)

2

888.691

444.345

7006.761

<0.001**

Sheet thickness (C)

1

1823.073

1823.073

28,747.545

<0.001**

A*B

2

25.900

12.950

204.207

<0.001**

A*C

1

41.253

41.253

650.515

<0.001**

B*C

2

46.505

23.253

366.664

<0.001**

A*B*C

2

9.510

4.755

74.982

<0.001**

Error

60

3.805

0.063

Buccal surface

Sheet extrusion direction (A)

1

169.894

169.894

1641.487

<0.001**

Model angle (B)

2

862.870

431.435

4168.455

<0.001**

Sheet thickness (C)

1

6086.722

6086.722

58,808.910

<0.001**

A*B

2

9.429

4.714

45.549

<0.001**

A*C

1

7.867

7.867

76.012

<0.001**

B*C

2

17.467

8.733

84.381

<0.001**

A*B*C

2

2.292

1.146

11.072

<0.001**

Error

60

6.210

0.104