Table 2.

Intragroup differences in plaque index, gingival bleeding index scores, and salivary markers

		Plaque index (mean ± SD)	Gingival bleeding index (mean ± SD)	Saliva flow rate (ml/min, mean ± SD)	Buffering capacity (pH, mean ± SD)
Lingual technique (n = 10)	T0	0.47 ± 0.18	0.18 ± 0.13	1.11 ± 0.47	5.20 ± 0.79
	T1	0.56 ± 0.15	0.22 ± 0.07	1.25 ± 0.38	5.30 ± 0.85
	T2	0.59 ± 0.16	0.29 ± 0.19	1.39 ± 0.46	5.00 ± 0.88
	T0-T1	*	NS	NS	NS
	T1-T2	NS	NS	NS	NS
	T0-T2	*	*	NS	NS
Labial technique (n = 10)	T0	0.42 ± 0.17	0.31 ± 0.21	1.06 ± 0.65	5.35 ± 0.41
	T1	0.52 ± 0.25	0.45 ± 0.17	1.32 ± 0.45	5.75 ± 0.79
	T2	0.43 ± 0.20	0.33 ± 0.13	1.50 ± 1.22	5.50 ± 0.41
	T0-T1	NS	*	NS	NS
	T1-T2	NS	**	NS	NS
	T0-T2	NS	NS	NS	NS

NS, not significant. *p < 0.05, **p < 0.01 (Wilcoxon rank test).