Table 2. Antimicrobial effect of the pastes by direct exposure test.

	S. aureus AGPC	E. faecalis AGPC	P. aeruginosa AGNR	B. subtillis AGPR*	C. albicans Yeast	Mixture e
CHS
24	- - -	- - -	- - -	+ + +	- - -	- - -
48	- - -	- - -	- - -	+ + +	- - -	- - -
72	- - -	- - -	- - -	- - -	- - -	- - -
CHIS
24	- - -	- - -	- - -	+ + +	- - -	- - -
48	- - -	- - -	- - -	- - -	- - -	- - -
72	- - -	- - -	- - -	- - -	- - -	- - -
IS
24	- - -	- - -	+ + +	+ + +	- - -	+ + +
48	- - -	- - -	- - -	+ + +	- - -	+ + +
72	- - -	- - -	- - -	+ + +	- - -	+ + +

+ + + presence of growth; - - - absence of growth

(AGPC = aerobic Gram-positive coccus; AGNR = aerobic Gram-negative rods; AGPR* = aerobic Gram-positive rods, spore-forming)