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Table 1 Mean shear bond strengths, standard deviations (SD), minimum (Min), maximum (Max) values and Weibull parameters for each group (n = 30)

From: In vitro evaluation of a ceramic bracket with a laser-structured base

Groups

Mean

Min

Max

P

Weibull Analysis

Weibull Modulus

Correlation Coefficient

Characteristic Bond Strength (MPa)

Shear Stress at 5% Probability of Failure (MPa)

Shear Stress at 10% Probability of Failure (MPa)

Fascination 2

10.50 (2.61)

6.64

15.28

0.0003***

4.63

0.957

11.50

9.88

11.54

Pearl

13.01 (2.50)

8.58

17.54

5.93

0.980

14.02

11.38

12.85

  1. ***p = 0.001