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Bulletin of the National Research Centre

Table 2 Standard deviation (SD) and mean values of SBS for different groups

From: Effect of eggshell powder application on the shear bond strength of bulk-fill resin composite to bleached enamel

Groups

Shear bond strength (SBS)

p-value

Immediate: after 24 h

Delayed: after 14 d

Mean

SD

Mean

SD

Control

23.89 aA

0.51

23.89 aA

0.51

1 ns

Bleached enamel

7.33 dB

0.34

19.33 bA

1.21

0.002*

Bleached enamel + MI paste Plus

9.44 cB

0.84

21.44 abA

1.02

0.005*

Bleached enamel + ESP solution

11.67 bB

0.58

23.67 aA

1.15

0.002*

p-value

 < 0.001*

 

0.002*

  
  1. Mean values with the same capital letters at the same row reveal non-significant difference
  2. Mean values with the same small letters at the same column reveal non-significant difference
  3. ns; non-significant (p > 0.05), *; significant (p < 0.05)
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