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Table 4 The results of flexural strength test Weibull moduli. Different capital letters in the same column and different small letters in the same row indicate significant difference (p < .01)

From: Evaluation of five CAD/CAM materials by microstructural characterization and mechanical tests: a comparative in vitro study

 

Flexural Strength (MPa)

1 p

Weibull Modulus (M)

Before thermocycling

After thermocycling

Before thermocycling

After thermocycling

Mean ± Sd

Mean ± Sd

 

VIT

112.4 ± 3.2 D,a

112.1 ± 2.3 B,a

0.853

13.2

13.3

EMP

134.5 ± 3.3 C,D,a

134.7 ± 3.8 B,a

0.908

14.6

14.3

MAX

359.2 ± 4.2 A,a

357.7 ± 3.7 A,a

0.406

12.1

13.1

ULT

191.2 ± 2.7 B,a

140.4 ± 3.5 B,b

0.001**

13.7

12.9

ENA

152.1 ± 2.9 C,a

111.1 ± 1.2 B,b

0.001**

14.2

13.6

2 p

0.001**

0.001**

   
  1. **p < 0.01
  2. 1Student’s t test
  3. 2One-way ANOVA test