Table 2.

Antimicrobial action of various cavity cleansers against Streptococcus mutans

Groups	n	Zone of inhibition mean (mm)	SD (mm)	P	Post hoc Tukey test
Group 1 (PAA)	10	12.7	0.8	<0.001	All subgroups are significant with each other
Group 2 (CHX)	10	23.9	0.7
Group 3 (SDF-KI)	10	34	0.8
Group 4 (CTRL)	10	0	0

CHX: 2% Chlorhexidine Gluconate, PAA: Polyacrylic acid, SDF: Silver diamine fluoride, KI: Potassium iodide, CTRL: Distilled water, SD: Standard deviation