Periodontal Health Indices

Group

<6 months orthodontic treatment (GI)

6 - 12 months orthodontic treatment (GII)

>12 months orthodontic treatment (GIII)

P value

PLI

1.68 ± 0.66

1.63 ± 0.63

1.70 ± 0.51

0.819

GI

1.74 ± 0.57

1.89 ± 0.54

2.07 ± 0.50

0.047*

GEI

1.60 ± 0.61

1.63 ± 0.56

2.72 ± 0.50

<0.05*