Table 4.

Comparison of plaque index scores between the MB group and the CB group at baseline and 7 days

	MB N = 30, mean ± SD	CB N = 30, mean ± SD	t	df	p
Baseline plaque labial surface	37.83 ± 15.7	38.07 ± 9.67	0.069	58	0.945
Baseline plaque lingual surface	37.43 ± 14.26	38.70 ± 11.04	0.385	58	0.702
Baseline plaque index	1.64 ± 0.64	1.71 ± 0.41	0.471	58	0.640
7 days plaque labial surface	22.30 ± 11.44	23.20 ± 8.47	0.346	58	0.730
7 days plaque lingual surface	28.73 ± 11.37	12.60 ± 4.79	7.158	58	0.0001
7 days plaque index	1.13 ± 0.47	0.79 ± 0.24	3.489	58	0.0001