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Table 1 Duncan's post hoc test

From: Evaluation of shear bond strength of orthodontic brackets using trans-illumination technique with different curing profiles of LED light-curing unit in posterior teeth

Group N Subset for α = 0.05
   1 2 3 4 5
Group 1 10      13.6120
Group 2 10      13.9920
Group 3 10 2.9190     
Group 4 10   3.5210    
Group 5 10    4.9590   
Group 6 10     8.4420  
Significance   1.000 1.000 1.000 1.000 0.151
  1. Group 1 (control): 40 s, 650 mW/cm2, buccal; group 2 (control): 40 s, 800 mW/cm2, buccal; group 3: 40 s, 650 mW/cm2, lingual; group 4: 80 s, 650 mW/cm2, lingual; group 5: 40 s, 800 mW/cm2, lingual; group 6: 80 s, 800 mW/cm2, lingual. The test showed that there was a significant difference between every two groups except for groups 1 and 2 (control groups).