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Table 1 Comparison between the five groups according to shear bond strength

From: Assessment of chemical, ultrasonic, diode laser, and Er:YAG laser application on debonding of ceramic brackets

Shear bond strength (mega Pascal)

Group I (control) (n = 20)

Group II (chemical aided debonding) (n = 20)

Group III (ultrasonic aided debonding) (n = 20)

Group IV (diode laser aided debonding) (n = 20)

Group V (Er:YAG laser aided debonding) (n = 20)

F (p)

Minimum

4.66

5.81

4.70

5.87

6.94

F = 6.277* (p = 0.0002*)

Maximum

26.69

23.77

18.34

17.97

15.20

Mean

14.99

14.25

11.17

11.13

9.39

 ± SD

6.35

4.65

3.51

2.95

2.23

Median

14.81

14.41

10.54

11.02

8.81

IQR

10.90–19.72

12.21–16.90

8.73–14.23

9.26–12.95

7.83–11.0

p0

 

0.980

0.039*

0.035*

0.001*

 

p1

  

0.148

0.138

0.004*

 

Sig. bet. grps

  

p2 = 1.000, p3 = 0.664, p4 = 0.684

 
  1. IQR: Inter quartile range; SD: Standard deviation
  2. F: F for ANOVA test, Pairwise comparison bet. each 2 groups was done using Post Hoc Test (Tukey)
  3. p: p value for comparing between the studied groups
  4. p0: p value for comparing between Control and each other group
  5. p1: p value for comparing between Peppermint oil and each other group
  6. p2: p value for comparing between Ultrasonic and Diode Laser
  7. p3: p value for comparing between Ultrasonic and Er: YAG Laser
  8. p4: p value for comparing between Diode Laser and Er: YAG Laser
  9. *Statistically significant at p ≤ 0.05