Table 1 The mean shear bond strength for the studied groups and the one-way ANOVA test results.

From: Evaluation of different surface treatments on the bond strength of CAD/CAM PMMA denture teeth to heat-polymerized acrylic denture base

Groups

N

Mean

Std. Deviation

Std. Error

95% Confidence Interval for Mean

Min

Max

Sum of Squares

Df

Mean Square

F

Sig

Lower Bound

Upper Bound

PMMA

20

6.54

4.30

.96

4.52

8.55

.73

12.73

553.12

4

138.28

11.365

.000*

PMMA + MMA

20

13.62

1.760

.39

12.80

14.44

10.17

16.80

     

PMMA + SB

20

8.22

3.02

.67

6.81

9.63

3.23

13.54

     

PMMA + Grooves

20

9.52

4.30

.96

7.50

11.53

2.71

17.19

     

Control

20

10.06

3.40

.76

8.47

11.66

3.79

14.71

     
  1. PMMA: polymethyl methacrylate; MMA: Methyl methacrylate; SB: sandblasting. *Statistically significant.s.