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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%