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Table 2 Frequency of ARI scores in the study groups

From: Effect of different surface treatments on shear bond strength of ceramic brackets to old composite

ARI score

Groups

Total

Control

Grinding

Laser

Sandblasting

0

-Number

-% in group

9

60%

1

6.7%

2

13.3%

1

6.7%

13

21.7%

1

-Number

-% in group

5

33.3%

1

6.7%

9

60%

2

13.3%

17

28.3%

2

-Number

-% in group

1

6.7%

3

20%

3

20%

1

6.7%

8

13.3%

3

-Number

-% in group

0

0%

10

66.7%

1

6.7%

11

73.3%

22

36.7%

Total

-Number

-% in group

15

100%

15

100%

15

100%

15

100%

60

100%