Table 3.

Percentage of adherance reduction of various concentrations of chitosan and nanochitosan on oral streptococci

	Percentage of adherance reduction
various concentrations of material mg/ml	Streptococcus salivarius		Streptococcus sanguis		Streptococcus Sobrinus		Streptococcus mutans
	chitosan	nanochitosan	chitosan	nanochitosan	chitosan	nanochitosan	chitosan	nanochitosan
5	92.5	93.4	72.1	72.6	74.2	78.9	74.3	88.4
2.5	71.2	64.4	54.4	52.3	61.9	64.7	67.9	87.1
1.25	46.7	41.1	49.3	34.5	50.4	59.04	60.2	67.9