Table 3 Frequency distribution of Adhesive Remnant Index (ARI) scores after debonding.

From: Shear bond strength of zirconia orthodontic brackets depending on surface pretreatment of bonding base

ARI scores

0

1

2

3

Non-thermocycled groups

Control

2

8

(20%)

(80%)

Group I

1

2

7

(0%)

(10%)

(20%)

(70%)

Group II *

9

1

(90%)

(10%)

(0%)

(0%)

Group III

1

3

1

5

(10%)

(30%)

(10%)

(50%)

Thermocycled groups

Control-T

2

8

(0%)

(0%)

(20%)

(80%)

Group I-T

1

2

7

(0%)

(10%)

(20%)

(70%)

Group II-T *

5

4

1

(50%)

(40%)

(10%)

(0%)

Group III-T

1

5

4

(10%)

(50%)

(0%)

(40%)

  1. Values are presented as number (%). *The superscript indicates differences between groups according to the Kruskal—Wallis test and the Mann–Whitney test in ARI scores (p < 0.05).