Salivary Markers and Microbial Flora in Mouth Breathing Late Adolescents

Table 4

Distribution of data of plaque index (PI) and statistical comparisons within and between groups.

	PI (t0)		t0 versus t1	PI (t1)		t1 versus t2	PI (t2)		t0 versus t2
Control group	0	85%	n.s.	0	100%	n.s.	0	90%	n.s.
	1	15%		1	0%		1	10%
	2	0%		2	0%		2	0%
Study group	0	100%		0	35%		0	0%
	1	0%		1	60%		1	65%
	2	0%		2	5%		2	35%
Differences between groups		n.s.

n.s.: not significant; , ,.