Table 1 A summary of four periodontal parameters (average ± SD) within all studied groups

PD (mm)

2.60 ± 0.50^a

3.00^b

2.66 ± 0.48^ab

3.90 ± 0.36^c

5.32 ± 0.47^d

7.28 ± 1.23^e

CAL (mm)

0.00^a

0.00^a

0.00^a

1.88 ± 0.33^b

3.86 ± 0.78^c

7.90 ± 1.45^d

GI

0.00^a

1.00^b

1.02 ± 0.14^b

1.08 ± 0.27^b

1.54 ± 0.54^c

2.26 ± 0.60^d

PI

0.66 ± 0.52^ab

1.36 ± 1.08^c

0.52 ± 0.61^a

1.06 ± 0.59^bc

1.78 ± 0.74^d

2.42 ± 0.67^e