Table 1.
Values are presented as mean±standard deviation.
CAL: clinical attachment loss, PD: probing depth, BOP: bleeding on probing, df: degree of freedom.
a)P=0.000, t=27.10, df=189. b)P=0.001, t=-3.431, df=189. c)P=0.000, t=2.311, df=189. d)P=-0.690, t=-0.399, df=189. e)P=0.022, t=27.10, df=189. f)P=0.002, t=-3.098, df=189.